| Weather / Illinois Weather Temperature |
Weather in Decatur, Illinois
Current Conditions (Sunday, December 22, 2024 at 06:54 America/Chicago time)
 | Temperature: 27°F (-3°C) |
Forecast Overview
Mon Dec 23 
37°F 25°F 3°C -4°C Mostly sunny.
detailsTue Dec 24 
39°F 30°F 4°C -1°C Chance of rain after 6 pm.
detailsWed Dec 25 
41°F 39°F 5°C 4°C Chance of rain most of the day.
detailsThu Dec 26 
43°F 39°F 6°C 4°C Chance of light rain before sunrise.
detailsFri Dec 27 54°F 43°F 12°C 6°C Overcast skies.
detailsSat Dec 28 59°F 52°F 15°C 11°C Chance of rain before sunrise and late at night.
detailsSun Dec 29 59°F 45°F 15°C 7°C Chance of rain until 6 pm.
detailsMon Dec 30 
52°F 43°F 11°C 6°C Chance of light rain in the afternoon and late at night.
detailsTue Dec 31 48°F 43°F 9°C 6°C Mostly cloudy skies.
detailsWed Jan 1 48°F 41°F 9°C 5°C Chance of rain after 6 pm.
detailsThu Jan 2 
43°F 36°F 6°C 2°C Chance of light rain at various times. Chance of light snow late at night.
detailsFri Jan 3 
36°F 28°F 2°C -2°C More clouds than sun.
detailsSat Jan 4 34°F 27°F 1°C -3°C Considerable cloudiness.
detailsSun Jan 5 39°F 27°F 4°C -3°C Mostly cloudy skies.
details
Detailed Forecast
| Monday, December 23 | sunrise: 07:14 sunset: 16:34 |
| Low around 24°F (-4°C), high around 38°F (3°C). Mostly sunny. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Clear. | 25°F (-4°C) | 5 mph (9 km/h) | 65% | 0.317% |
| 03:00 06:00 | | Clear. | 25°F (-4°C) | 7 mph (11 km/h) | 75% | 0.319% |
| 06:00 09:00 | | Sunny. | 28°F (-2°C) | 11 mph (17 km/h) | 67% | 0.321% |
| 09:00 12:00 | | Sunny. | 36°F (2°C) | 13 mph (21 km/h) | 51% | 0.321% |
| 12:00 15:00 | | Mostly sunny, with a few passing clouds. | 38°F (3°C) | 12 mph (19 km/h) | 52% | 0.32% |
| 15:00 18:00 | | Times of clear skies and clouds. | 32°F (0°C) | 12 mph (19 km/h) | 65% | 0.32% |
| 18:00 21:00 | | Clear. | 32°F (-0°C) | 15 mph (24 km/h) | 66% | 0.319% |
| 21:00 00:00 | | Mostly clear, with a few passing clouds. | 31°F (-0°C) | 14 mph (23 km/h) | 68% | 0.319% |
| Tuesday, December 24 | sunrise: 07:14 sunset: 16:35 |
| Low around 31°F (-1°C), high around 39°F (4°C). Chance of rain in the evening and during the night (after 6 pm). Estimated precipitation: 0.11 in (2.875 mm). Overcast skies. Wind: 16 mph (25 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 31°F (-0°C) | 14 mph (23 km/h) | 71% | 0.319% |
| 03:00 06:00 | | Overcast. | 33°F (0°C) | 16 mph (25 km/h) | 73% | 0.319% |
| 06:00 09:00 | | Overcast. | 36°F (2°C) | 16 mph (25 km/h) | 73% | 0.319% |
| 09:00 12:00 | | Overcast. | 38°F (3°C) | 15 mph (24 km/h) | 74% | 0.318% |
| 12:00 15:00 | | Overcast. | 39°F (4°C) | 13 mph (21 km/h) | 77% | 0.312% |
| 15:00 18:00 | | Overcast. | 39°F (4°C) | 11 mph (17 km/h) | 80% | 0.306% |
| 18:00 21:00 | | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 39°F (4°C) | 8 mph (13 km/h) | 88% | 0.304% |
| 21:00 00:00 | | Chance of rain. Precipitation: 0.11 in (2.6875 mm). | 38°F (4°C) | 6 mph (10 km/h) | 97% | 0.321% |
| Wednesday, December 25 | sunrise: 07:15 sunset: 16:36 |
| Low around 38°F (4°C), high around 41°F (5°C). Chance of rain all day, except between 3 am and 9 am. Estimated precipitation: 0.36 in (9.1875 mm). Overcast skies. Wind: 5 mph (9 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of rain. Precipitation: 0.13 in (3.25 mm). | 39°F (4°C) | 5 mph (8 km/h) | 98% | 0.335% |
| 03:00 06:00 | | Overcast. Precipitation: 0.04 in (1.125 mm). | 39°F (4°C) | 4 mph (6 km/h) | 99% | 0.326% |
| 06:00 09:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 40°F (4°C) | 4 mph (6 km/h) | 98% | 0.32% |
| 09:00 12:00 | | Chance of light rain. Precipitation: 0.03 in (0.75 mm). | 40°F (5°C) | 4 mph (6 km/h) | 99% | 0.322% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.07 in (1.75 mm). | 40°F (5°C) | 5 mph (8 km/h) | 99% | 0.33% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0.03 in (0.6875 mm). | 40°F (5°C) | 5 mph (8 km/h) | 98% | 0.328% |
| 18:00 21:00 | | Chance of rain. Precipitation: 0.04 in (1.0625 mm). | 40°F (4°C) | 5 mph (8 km/h) | 99% | 0.33% |
| 21:00 00:00 | | Chance of light rain. Precipitation: 0.02 in (0.5 mm). | 40°F (4°C) | 5 mph (9 km/h) | 99% | 0.327% |
| Thursday, December 26 | sunrise: 07:15 sunset: 16:36 |
| Low around 40°F (4°C), high around 43°F (6°C). Chance of light rain between midnight and 3 am. Estimated precipitation: 0.03 in (0.75 mm). Overcast skies. Wind: 6 mph (10 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 40°F (5°C) | 5 mph (8 km/h) | 99% | 0.326% |
| 03:00 06:00 | | Overcast. Precipitation: 0.01 in (0.375 mm). | 40°F (5°C) | 5 mph (8 km/h) | 99% | 0.325% |
| 06:00 09:00 | | Overcast. | 41°F (5°C) | 6 mph (9 km/h) | 99% | 0.323% |
| 09:00 12:00 | | Overcast. | 42°F (6°C) | 6 mph (10 km/h) | 97% | 0.321% |
| 12:00 15:00 | | Overcast. | 43°F (6°C) | 6 mph (9 km/h) | 96% | 0.32% |
| 15:00 18:00 | | Overcast. | 42°F (6°C) | 6 mph (10 km/h) | 97% | 0.319% |
| 18:00 21:00 | | Overcast. | 42°F (5°C) | 5 mph (8 km/h) | 97% | 0.319% |
| 21:00 00:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 42°F (6°C) | 5 mph (8 km/h) | 97% | 0.319% |
| Friday, December 27 | sunrise: 07:15 sunset: 16:37 |
| Low around 42°F (6°C), high around 53°F (12°C). Overcast skies. Wind: 18 mph (29 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 42°F (6°C) | 5 mph (8 km/h) | 98% | 0.318% |
| 03:00 06:00 | | Overcast. | 43°F (6°C) | 5 mph (9 km/h) | 98% | 0.317% |
| 06:00 09:00 | | Overcast. | 44°F (7°C) | 7 mph (11 km/h) | 97% | 0.317% |
| 09:00 12:00 | | Overcast. | 48°F (9°C) | 8 mph (13 km/h) | 94% | 0.316% |
| 12:00 15:00 | | Overcast. | 48°F (9°C) | 10 mph (16 km/h) | 97% | 0.316% |
| 15:00 18:00 | | Overcast. | 49°F (10°C) | 11 mph (18 km/h) | 98% | 0.316% |
| 18:00 21:00 | | Overcast. | 52°F (11°C) | 16 mph (26 km/h) | 97% | 0.316% |
| 21:00 00:00 | | Overcast. | 53°F (12°C) | 18 mph (29 km/h) | 95% | 0.315% |
| Saturday, December 28 | sunrise: 07:16 sunset: 16:38 |
| Low around 52°F (11°C), high around 58°F (15°C). Chance of rain between midnight and 3 am and again at night (after 9 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 0.34 in (8.625 mm). Overcast skies. Wind: 21 mph (34 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of scattered rain showers. Precipitation: 0.13 in (3.25 mm). | 53°F (12°C) | 19 mph (31 km/h) | 96% | 0.337% |
| 03:00 06:00 | | Overcast. Precipitation: 0.11 in (2.75 mm). | 53°F (12°C) | 17 mph (28 km/h) | 95% | 0.333% |
| 06:00 09:00 | | Overcast. | 55°F (13°C) | 16 mph (26 km/h) | 93% | 0.327% |
| 09:00 12:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 57°F (14°C) | 16 mph (26 km/h) | 92% | 0.325% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 57°F (14°C) | 15 mph (24 km/h) | 93% | 0.323% |
| 15:00 18:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 56°F (14°C) | 15 mph (25 km/h) | 94% | 0.322% |
| 18:00 21:00 | | Overcast. Precipitation: 0 in (0.125 mm). | 56°F (14°C) | 18 mph (29 km/h) | 94% | 0.322% |
| 21:00 00:00 | | Chance of scattered rain showers. Precipitation: 0.08 in (2.125 mm). | 56°F (14°C) | 21 mph (34 km/h) | 95% | 0.335% |
| Sunday, December 29 | sunrise: 07:16 sunset: 16:38 |
| Low around 44°F (7°C), high around 58°F (15°C). Chance of rain until 6 pm. Estimated precipitation: 0.61 in (15.5625 mm). Partly cloudy skies. Wind: 25 mph (40 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of rain. Precipitation: 0.13 in (3.1875 mm). | 55°F (13°C) | 21 mph (34 km/h) | 93% | 0.345% |
| 03:00 06:00 | | Chance of rain. Precipitation: 0.32 in (8.0625 mm). | 56°F (13°C) | 25 mph (40 km/h) | 94% | 0.37% |
| 06:00 09:00 | | Chance of rain. Precipitation: 0.07 in (1.8125 mm). | 56°F (14°C) | 22 mph (35 km/h) | 91% | 0.352% |
| 09:00 12:00 | | Chance of light rain. Precipitation: 0.04 in (0.9375 mm). | 57°F (14°C) | 21 mph (34 km/h) | 91% | 0.351% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.06 in (1.5 mm). | 58°F (15°C) | 16 mph (25 km/h) | 73% | 0.349% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 51°F (11°C) | 13 mph (21 km/h) | 77% | 0.343% |
| 18:00 21:00 | | Clear. | 47°F (8°C) | 11 mph (18 km/h) | 79% | 0.339% |
| 21:00 00:00 | | Considerable cloudiness. | 44°F (7°C) | 8 mph (13 km/h) | 88% | 0.337% |
| Monday, December 30 | sunrise: 07:16 sunset: 16:39 |
| Low around 42°F (6°C), high around 51°F (11°C). Chance of light rain late in the afternoon (between 3 pm and 6 pm) and during the night (after 9 pm). Estimated precipitation: 0.01 in (0.375 mm). Overcast skies. Wind: 10 mph (16 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 43°F (6°C) | 6 mph (10 km/h) | 90% | 0.335% |
| 03:00 06:00 | | Overcast. | 43°F (6°C) | 6 mph (10 km/h) | 88% | 0.334% |
| 06:00 09:00 | | Overcast. | 45°F (7°C) | 7 mph (11 km/h) | 82% | 0.332% |
| 09:00 12:00 | | Overcast. | 50°F (10°C) | 10 mph (16 km/h) | 67% | 0.33% |
| 12:00 15:00 | | Overcast. | 51°F (11°C) | 7 mph (11 km/h) | 68% | 0.329% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 48°F (9°C) | 3 mph (4 km/h) | 81% | 0.33% |
| 18:00 21:00 | | Overcast. | 46°F (8°C) | 5 mph (7 km/h) | 83% | 0.329% |
| 21:00 00:00 | | Chance of light rain. Precipitation: 0 in (0.125 mm). | 45°F (7°C) | 5 mph (8 km/h) | 86% | 0.328% |
| Tuesday, December 31 | sunrise: 07:16 sunset: 16:40 |
| Low around 42°F (6°C), high around 49°F (9°C). Estimated precipitation: 0.01 in (0.25 mm). Mostly cloudy skies. Wind: 5 mph (8 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 45°F (7°C) | 4 mph (6 km/h) | 87% | 0.328% |
| 03:00 06:00 | | Overcast. | 45°F (7°C) | 4 mph (6 km/h) | 89% | 0.327% |
| 06:00 09:00 | | Overcast. | 45°F (7°C) | 4 mph (6 km/h) | 91% | 0.326% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 47°F (8°C) | 5 mph (8 km/h) | 84% | 0.326% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 49°F (9°C) | 4 mph (7 km/h) | 73% | 0.325% |
| 15:00 18:00 | | Clear. Precipitation: 0 in (0.0625 mm). | 45°F (7°C) | 2 mph (4 km/h) | 84% | 0.324% |
| 18:00 21:00 | | Overcast. | 43°F (6°C) | 3 mph (5 km/h) | 89% | 0.324% |
| 21:00 00:00 | | Overcast. | 42°F (6°C) | 5 mph (8 km/h) | 91% | 0.324% |
| Wednesday, January 1 | sunrise: 07:16 sunset: 16:40 |
| Low around 41°F (5°C), high around 49°F (9°C). Chance of rain in the evening and during the night (after 6 pm). Estimated precipitation: 0.17 in (4.4375 mm). Overcast skies. Wind: 12 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 41°F (5°C) | 5 mph (9 km/h) | 90% | 0.323% |
| 03:00 06:00 | | Overcast. | 41°F (5°C) | 6 mph (10 km/h) | 90% | 0.323% |
| 06:00 09:00 | | Overcast. | 43°F (6°C) | 9 mph (15 km/h) | 87% | 0.323% |
| 09:00 12:00 | | Overcast. | 48°F (9°C) | 12 mph (20 km/h) | 71% | 0.321% |
| 12:00 15:00 | | Overcast. | 49°F (9°C) | 9 mph (15 km/h) | 71% | 0.32% |
| 15:00 18:00 | | Overcast. | 46°F (8°C) | 9 mph (14 km/h) | 80% | 0.32% |
| 18:00 21:00 | | Chance of rain. Precipitation: 0.09 in (2.1875 mm). | 44°F (7°C) | 11 mph (17 km/h) | 90% | 0.334% |
| 21:00 00:00 | | Chance of rain. Precipitation: 0.09 in (2.25 mm). | 43°F (6°C) | 12 mph (20 km/h) | 90% | 0.339% |
| Thursday, January 2 | sunrise: 07:16 sunset: 16:41 |
| Low around 35°F (2°C), high around 43°F (6°C). Chance of light rain all night and all morning (until 12 pm) and again late in the afternoon (between 3 pm and 6 pm). Chance of light snow late at night (after 9 pm). Estimated precipitation: 0.1 in (2.5625 mm). Overcast skies. Wind: 16 mph (25 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light rain. Precipitation: 0.03 in (0.8125 mm). | 42°F (5°C) | 14 mph (23 km/h) | 91% | 0.336% |
| 03:00 06:00 | | Chance of light rain. Precipitation: 0.02 in (0.4375 mm). | 41°F (5°C) | 14 mph (23 km/h) | 89% | 0.334% |
| 06:00 09:00 | | Chance of light rain. Precipitation: 0.02 in (0.5625 mm). | 41°F (5°C) | 13 mph (21 km/h) | 92% | 0.334% |
| 09:00 12:00 | | Chance of light rain. Precipitation: 0.02 in (0.4375 mm). | 42°F (6°C) | 16 mph (25 km/h) | 79% | 0.332% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 41°F (5°C) | 14 mph (22 km/h) | 81% | 0.33% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 39°F (4°C) | 15 mph (24 km/h) | 80% | 0.329% |
| 18:00 21:00 | | Overcast. | 36°F (2°C) | 14 mph (23 km/h) | 81% | 0.327% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0 in (0.0625 mm). | 35°F (2°C) | 14 mph (22 km/h) | 86% | 0.326% |
| Friday, January 3 | sunrise: 07:17 sunset: 16:42 |
| Low around 29°F (-2°C), high around 36°F (2°C). Estimated precipitation: 0 in (0.0625 mm). More clouds than sun. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. Precipitation: 0 in (0.0625 mm). | 33°F (1°C) | 13 mph (22 km/h) | 82% | 0.326% |
| 03:00 06:00 | | Clear. | 31°F (-1°C) | 13 mph (20 km/h) | 85% | 0.325% |
| 06:00 09:00 | | More sun than clouds. | 32°F (0°C) | 14 mph (23 km/h) | 74% | 0.324% |
| 09:00 12:00 | | Overcast. | 36°F (2°C) | 14 mph (23 km/h) | 59% | 0.321% |
| 12:00 15:00 | | Overcast. | 35°F (2°C) | 15 mph (24 km/h) | 64% | 0.321% |
| 15:00 18:00 | | Clear. | 32°F (-0°C) | 10 mph (15 km/h) | 67% | 0.32% |
| 18:00 21:00 | | Clear. | 30°F (-1°C) | 10 mph (17 km/h) | 75% | 0.32% |
| 21:00 00:00 | | Mostly clear. | 29°F (-2°C) | 9 mph (14 km/h) | 78% | 0.32% |
| Saturday, January 4 | sunrise: 07:17 sunset: 16:43 |
| Low around 27°F (-3°C), high around 34°F (1°C). Considerable cloudiness. Wind: 8 mph (13 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 28°F (-2°C) | 8 mph (13 km/h) | 76% | 0.32% |
| 03:00 06:00 | | Overcast. | 28°F (-2°C) | 8 mph (12 km/h) | 75% | 0.321% |
| 06:00 09:00 | | Sunny. | 29°F (-2°C) | 8 mph (12 km/h) | 67% | 0.322% |
| 09:00 12:00 | | Overcast. | 33°F (0°C) | 8 mph (12 km/h) | 55% | 0.322% |
| 12:00 15:00 | | Partly cloudy. | 33°F (1°C) | 8 mph (12 km/h) | 54% | 0.32% |
| 15:00 18:00 | | Clear. | 29°F (-2°C) | 5 mph (9 km/h) | 69% | 0.319% |
| 18:00 21:00 | | Considerable cloudiness. | 28°F (-2°C) | 5 mph (8 km/h) | 71% | 0.319% |
| 21:00 00:00 | | Overcast. | 27°F (-3°C) | 6 mph (9 km/h) | 74% | 0.32% |
| Sunday, January 5 | sunrise: 07:17 sunset: 16:44 |
| Low around 27°F (-3°C), high around 39°F (4°C). Mostly cloudy skies. Wind: 14 mph (22 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Partly cloudy. | 28°F (-2°C) | 8 mph (12 km/h) | 71% | 0.321% |
| 03:00 06:00 | | Mostly clear. | 28°F (-2°C) | 9 mph (14 km/h) | 70% | 0.322% |
| 06:00 09:00 | | Overcast. | 31°F (-1°C) | 12 mph (19 km/h) | 61% | 0.324% |
| 09:00 12:00 | | Overcast. | 38°F (3°C) | 14 mph (22 km/h) | 52% | 0.323% |
| 12:00 15:00 | | Overcast. | 38°F (3°C) | 10 mph (16 km/h) | 60% | 0.322% |
| 15:00 18:00 | | Partly cloudy. | 33°F (0°C) | 6 mph (10 km/h) | 76% | 0.321% |
| 18:00 21:00 | | Overcast. | 30°F (-1°C) | 6 mph (9 km/h) | 81% | 0.321% |
| 21:00 00:00 | | Overcast. | 29°F (-2°C) | 5 mph (9 km/h) | 81% | 0.321% |
Climate Chart
Places with a similar climate: Mattoon / Charleston, Coles County (IL), Quincy (IL), Lincoln, Logan County (IL), Springfield (IL), Lafayette (IN), Jacksonville (IL), Paris, Edgar County (IL), Fort Madison (IA), Terre Haute (IN), Muncie, Delaware County (IN), Burlington (IA), Peoria (IL), Dayton (OH), Shelbyville (IN), Champaign / Urbana (IL), Indianapolis (IN), Dayton (OH), Wilmington (OH), Dayton (OH), Oskaloosa (IA), Columbus (OH), Lacon, Marshall County (IL), Chillicothe (MO), Fair Field (IA), Macomb (IL).
Temperature variation graph for the last seven days
Humidity Variation Graph
Wind speed
Weather Station: Decatur, Decatur Airport (latitude 39-50-04N, longitude 088-51-56W)
Local Time:
Decatur is in the "America/Chicago" timezone.
The "America/Chicago" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 3 November 2024, 01:00 AM local time). During ST, the timezone abbreviation is CST and the offset to Universal Time (UTC, GMT or Zulu) is -6:00 hours.
Decatur will exit standard time (entering DST) on Sunday, 9 March 2025, at 02:00 AM local time, when clocks will be turned forward 1 hour to Sunday, 9 March 2025, 03:00 AM local daylight time. During DST, the timezone abbreviation is CDT and the offset to UTC will be -5:00 hours.
Weather and Temperature in Illinois