| Weather / Missouri Weather Temperature |
Weather Forecast for O'Fallon (Missouri)
Forecast Overview
Wed Jan 1 
50°F 32°F 10°C 0°C Chance of rain before sunrise.
detailsThu Jan 2 
39°F 28°F 4°C -2°C Sunny skies.
detailsFri Jan 3 
43°F 28°F 6°C -2°C Chance of snow after 3 pm.
detailsSat Jan 4 
30°F 19°F -1°C -7°C Mostly sunny, with a few passing clouds.
detailsSun Jan 5 
27°F 16°F -3°C -9°C Considerable cloudiness.
detailsMon Jan 6 32°F 21°F -0°C -6°C Chance of snow after 6 pm.
detailsTue Jan 7 
30°F 18°F -1°C -8°C Chance of snow at various times.
detailsWed Jan 8 21°F 1°F -6°C -17°C Considerable cloudiness.
detailsThu Jan 9 16°F -9°F -9°C -23°C A few passing clouds.
detailsFri Jan 10 
34°F 12°F 1°C -11°C Chance of snow after 6 pm.
detailsSat Jan 11 19°F -4°F -7°C -20°C Chance of snow until 6 pm.
detailsSun Jan 12 5°F -13°F -15°C -25°C Considerable cloudiness.
detailsMon Jan 13 14°F -8°F -10°C -22°C More clouds than sun.
detailsTue Jan 14 
23°F -2°F -5°C -19°C Chance of light snow in the afternoon.
details
Detailed Forecast
| Wednesday, January 1 | O'Fallon sunrise: 07:21 sunset: 16:51 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Overcast. Precipitation: 0 in (0.125 mm). | 46°F (8°C) | 15 mph (24 km/h) | 93% | 0.3% |
| 03:00 06:00 | | Chance of rain. Precipitation: 0.08 in (2.0625 mm). | 43°F (6°C) | 22 mph (35 km/h) | 91% | 0.311% |
| 06:00 09:00 | | Overcast. Precipitation: 0.01 in (0.3125 mm). | 37°F (3°C) | 20 mph (33 km/h) | 95% | 0.303% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 40°F (4°C) | 19 mph (30 km/h) | 90% | 0.299% |
| 12:00 15:00 | | Sunny. | 44°F (6°C) | 16 mph (26 km/h) | 64% | 0.294% |
| 15:00 18:00 | | Clear. | 38°F (3°C) | 13 mph (21 km/h) | 75% | 0.292% |
| 18:00 21:00 | | Clear. | 35°F (1°C) | 11 mph (18 km/h) | 74% | 0.29% |
| 21:00 00:00 | | Clear. | 32°F (0°C) | 10 mph (16 km/h) | 79% | 0.29% |
| Thursday, January 2 | O'Fallon sunrise: 07:21 sunset: 16:51 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 30°F (-1°C) | 10 mph (15 km/h) | 82% | 0.291% |
| 03:00 06:00 | | Clear. | 29°F (-2°C) | 9 mph (15 km/h) | 83% | 0.289% |
| 06:00 09:00 | | Sunny. | 31°F (-1°C) | 12 mph (19 km/h) | 72% | 0.288% |
| 09:00 12:00 | | Sunny. | 37°F (3°C) | 12 mph (20 km/h) | 50% | 0.288% |
| 12:00 15:00 | | Sunny. | 39°F (4°C) | 12 mph (19 km/h) | 46% | 0.285% |
| 15:00 18:00 | | Clear. | 32°F (-0°C) | 6 mph (10 km/h) | 65% | 0.285% |
| 18:00 21:00 | | Clear. | 30°F (-1°C) | 6 mph (9 km/h) | 69% | 0.288% |
| 21:00 00:00 | | Clear. | 29°F (-2°C) | 5 mph (8 km/h) | 69% | 0.286% |
| Friday, January 3 | O'Fallon sunrise: 07:21 sunset: 16:52 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 29°F (-1°C) | 4 mph (6 km/h) | 69% | 0.287% |
| 03:00 06:00 | | Overcast. | 30°F (-1°C) | 2 mph (4 km/h) | 65% | 0.288% |
| 06:00 09:00 | | Overcast. | 34°F (1°C) | 5 mph (8 km/h) | 58% | 0.288% |
| 09:00 12:00 | | Overcast. | 39°F (4°C) | 6 mph (9 km/h) | 49% | 0.288% |
| 12:00 15:00 | | Overcast. | 41°F (5°C) | 4 mph (7 km/h) | 53% | 0.287% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0.02 in (0.4375 mm). | 34°F (1°C) | 1 mph (2 km/h) | 91% | 0.288% |
| 18:00 21:00 | | Chance of snow. Precipitation: 0.05 in (1.25 mm). | 34°F (1°C) | 6 mph (9 km/h) | 99% | 0.293% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0.01 in (0.375 mm). | 30°F (-1°C) | 16 mph (25 km/h) | 90% | 0.292% |
| Saturday, January 4 | O'Fallon sunrise: 07:21 sunset: 16:53 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 23°F (-5°C) | 12 mph (19 km/h) | 78% | 0.29% |
| 03:00 06:00 | | Clear. | 21°F (-6°C) | 12 mph (20 km/h) | 70% | 0.29% |
| 06:00 09:00 | | Mostly cloudy. | 23°F (-5°C) | 15 mph (24 km/h) | 63% | 0.291% |
| 09:00 12:00 | | Times of sun and clouds. | 26°F (-3°C) | 16 mph (26 km/h) | 53% | 0.291% |
| 12:00 15:00 | | Mostly sunny, with a few passing clouds. | 27°F (-3°C) | 15 mph (24 km/h) | 51% | 0.291% |
| 15:00 18:00 | | Clear. | 23°F (-5°C) | 11 mph (18 km/h) | 65% | 0.289% |
| 18:00 21:00 | | Clear. | 20°F (-6°C) | 9 mph (15 km/h) | 72% | 0.293% |
| 21:00 00:00 | | Clear. | 19°F (-7°C) | 9 mph (15 km/h) | 74% | 0.294% |
| Sunday, January 5 | O'Fallon sunrise: 07:21 sunset: 16:54 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 18°F (-8°C) | 10 mph (15 km/h) | 72% | 0.296% |
| 03:00 06:00 | | Clear. | 17°F (-8°C) | 9 mph (14 km/h) | 70% | 0.299% |
| 06:00 09:00 | | Sunny. | 18°F (-8°C) | 10 mph (16 km/h) | 57% | 0.3% |
| 09:00 12:00 | | Overcast. | 25°F (-4°C) | 9 mph (15 km/h) | 41% | 0.3% |
| 12:00 15:00 | | Sunny. | 27°F (-3°C) | 9 mph (14 km/h) | 41% | 0.302% |
| 15:00 18:00 | | Overcast. | 22°F (-6°C) | 5 mph (7 km/h) | 57% | 0.303% |
| 18:00 21:00 | | Overcast. | 21°F (-6°C) | 4 mph (7 km/h) | 61% | 0.306% |
| 21:00 00:00 | | Overcast. | 21°F (-6°C) | 3 mph (4 km/h) | 60% | 0.307% |
| Monday, January 6 | O'Fallon sunrise: 07:21 sunset: 16:55 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 21°F (-6°C) | 3 mph (5 km/h) | 59% | 0.309% |
| 03:00 06:00 | | Overcast. | 22°F (-6°C) | 4 mph (6 km/h) | 58% | 0.31% |
| 06:00 09:00 | | Overcast. | 26°F (-4°C) | 4 mph (7 km/h) | 46% | 0.312% |
| 09:00 12:00 | | Overcast. | 30°F (-1°C) | 7 mph (11 km/h) | 39% | 0.313% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 31°F (-0°C) | 8 mph (13 km/h) | 45% | 0.315% |
| 15:00 18:00 | | Overcast. | 30°F (-1°C) | 10 mph (16 km/h) | 61% | 0.314% |
| 18:00 21:00 | | Chance of light snow. Precipitation: 0.03 in (0.6875 mm). | 29°F (-2°C) | 12 mph (19 km/h) | 60% | 0.315% |
| 21:00 00:00 | | Chance of snow. Precipitation: 0.15 in (3.8125 mm). | 26°F (-3°C) | 12 mph (20 km/h) | 94% | 0.316% |
| Tuesday, January 7 | O'Fallon sunrise: 07:21 sunset: 16:56 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of snow. Precipitation: 0.3 in (7.5 mm). | 25°F (-4°C) | 15 mph (23 km/h) | 96% | 0.316% |
| 03:00 06:00 | | Chance of snow. Precipitation: 0.12 in (3 mm). | 25°F (-4°C) | 9 mph (15 km/h) | 96% | 0.318% |
| 06:00 09:00 | | Chance of snow. Precipitation: 0.18 in (4.5625 mm). | 26°F (-3°C) | 7 mph (12 km/h) | 97% | 0.319% |
| 09:00 12:00 | | Chance of snow. Precipitation: 0.06 in (1.5625 mm). | 28°F (-2°C) | 6 mph (10 km/h) | 97% | 0.318% |
| 12:00 15:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 29°F (-2°C) | 11 mph (18 km/h) | 90% | 0.322% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0 in (0.125 mm). | 26°F (-3°C) | 11 mph (18 km/h) | 94% | 0.323% |
| 18:00 21:00 | | Considerable cloudiness. | 21°F (-6°C) | 10 mph (16 km/h) | 95% | 0.323% |
| 21:00 00:00 | | Partly cloudy. Precipitation: 0 in (0.0625 mm). | 18°F (-8°C) | 9 mph (15 km/h) | 95% | 0.324% |
| Wednesday, January 8 | O'Fallon sunrise: 07:21 sunset: 16:57 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 18°F (-8°C) | 10 mph (16 km/h) | 94% | 0.325% |
| 03:00 06:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 21°F (-6°C) | 12 mph (19 km/h) | 93% | 0.328% |
| 06:00 09:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 18°F (-8°C) | 13 mph (21 km/h) | 92% | 0.326% |
| 09:00 12:00 | | Overcast. | 19°F (-7°C) | 14 mph (23 km/h) | 86% | 0.326% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 19°F (-7°C) | 13 mph (21 km/h) | 85% | 0.328% |
| 15:00 18:00 | | Times of clear skies and clouds. | 12°F (-11°C) | 11 mph (17 km/h) | 90% | 0.328% |
| 18:00 21:00 | | Partly cloudy. | 8°F (-13°C) | 11 mph (17 km/h) | 91% | 0.329% |
| 21:00 00:00 | | Clear. | 2°F (-17°C) | 9 mph (14 km/h) | 94% | 0.33% |
| Thursday, January 9 | O'Fallon sunrise: 07:21 sunset: 16:58 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Considerable cloudiness. | -4°F (-20°C) | 7 mph (11 km/h) | 97% | 0.329% |
| 03:00 06:00 | | Clear. | -7°F (-22°C) | 6 mph (9 km/h) | 97% | 0.331% |
| 06:00 09:00 | | Mostly cloudy. | -2°F (-19°C) | 6 mph (9 km/h) | 91% | 0.333% |
| 09:00 12:00 | | Sunny. | 10°F (-12°C) | 5 mph (8 km/h) | 77% | 0.334% |
| 12:00 15:00 | | Times of sun and clouds. | 15°F (-9°C) | 7 mph (11 km/h) | 78% | 0.333% |
| 15:00 18:00 | | Clear. | 9°F (-13°C) | 6 mph (9 km/h) | 92% | 0.336% |
| 18:00 21:00 | | Clear. | 8°F (-13°C) | 7 mph (12 km/h) | 94% | 0.338% |
| 21:00 00:00 | | Clear. | 12°F (-11°C) | 11 mph (18 km/h) | 87% | 0.339% |
| Friday, January 10 | O'Fallon sunrise: 07:21 sunset: 16:59 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 14°F (-10°C) | 9 mph (15 km/h) | 87% | 0.34% |
| 03:00 06:00 | | Clear. | 17°F (-8°C) | 9 mph (15 km/h) | 85% | 0.341% |
| 06:00 09:00 | | Sunny. | 22°F (-6°C) | 10 mph (15 km/h) | 84% | 0.34% |
| 09:00 12:00 | | Overcast. | 31°F (-0°C) | 10 mph (16 km/h) | 82% | 0.344% |
| 12:00 15:00 | | Overcast. | 33°F (1°C) | 8 mph (12 km/h) | 91% | 0.358% |
| 15:00 18:00 | | Overcast. | 27°F (-3°C) | 4 mph (6 km/h) | 95% | 0.357% |
| 18:00 21:00 | | Chance of snow. Precipitation: 0.07 in (1.6875 mm). | 31°F (-1°C) | 6 mph (10 km/h) | 99% | 0.358% |
| 21:00 00:00 | | Chance of snow. Precipitation: 0.07 in (1.6875 mm). | 20°F (-7°C) | 16 mph (26 km/h) | 95% | 0.359% |
| Saturday, January 11 | O'Fallon sunrise: 07:21 sunset: 17:00 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of snow. Precipitation: 0.06 in (1.5 mm). | 15°F (-9°C) | 16 mph (26 km/h) | 94% | 0.361% |
| 03:00 06:00 | | Chance of light snow. Precipitation: 0.03 in (0.6875 mm). | 11°F (-11°C) | 17 mph (28 km/h) | 93% | 0.361% |
| 06:00 09:00 | | Chance of light snow. Precipitation: 0.01 in (0.25 mm). | 7°F (-14°C) | 17 mph (28 km/h) | 92% | 0.36% |
| 09:00 12:00 | | Chance of light snow. Precipitation: 0.01 in (0.1875 mm). | 10°F (-12°C) | 18 mph (28 km/h) | 90% | 0.361% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.01 in (0.3125 mm). | 12°F (-11°C) | 17 mph (27 km/h) | 92% | 0.361% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0.01 in (0.3125 mm). | 9°F (-13°C) | 16 mph (25 km/h) | 93% | 0.362% |
| 18:00 21:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 3°F (-16°C) | 13 mph (21 km/h) | 92% | 0.362% |
| 21:00 00:00 | | Clear. | -3°F (-20°C) | 11 mph (17 km/h) | 93% | 0.363% |
| Sunday, January 12 | O'Fallon sunrise: 07:20 sunset: 17:01 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | -8°F (-22°C) | 9 mph (14 km/h) | 94% | 0.365% |
| 03:00 06:00 | | Clear. | -12°F (-25°C) | 7 mph (11 km/h) | 95% | 0.365% |
| 06:00 09:00 | | Mostly cloudy. | -9°F (-23°C) | 8 mph (13 km/h) | 91% | 0.366% |
| 09:00 12:00 | | Overcast. | 1°F (-17°C) | 8 mph (13 km/h) | 82% | 0.367% |
| 12:00 15:00 | | Overcast. | 5°F (-15°C) | 7 mph (12 km/h) | 78% | 0.368% |
| 15:00 18:00 | | Overcast. | 1°F (-17°C) | 3 mph (5 km/h) | 94% | 0.369% |
| 18:00 21:00 | | Overcast. | 3°F (-16°C) | 4 mph (6 km/h) | 91% | 0.37% |
| 21:00 00:00 | | Mostly clear, with a few passing clouds. | 3°F (-16°C) | 2 mph (4 km/h) | 94% | 0.373% |
| Monday, January 13 | O'Fallon sunrise: 07:20 sunset: 17:02 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear. | -3°F (-19°C) | 3 mph (4 km/h) | 97% | 0.372% |
| 03:00 06:00 | | Clear. | -8°F (-22°C) | 3 mph (5 km/h) | 99% | 0.371% |
| 06:00 09:00 | | Mostly sunny, with a few passing clouds. | 1°F (-17°C) | 4 mph (6 km/h) | 90% | 0.374% |
| 09:00 12:00 | | Overcast. | 10°F (-12°C) | 5 mph (8 km/h) | 81% | 0.375% |
| 12:00 15:00 | | Overcast. | 15°F (-10°C) | 6 mph (9 km/h) | 81% | 0.376% |
| 15:00 18:00 | | Mostly cloudy. | 4°F (-15°C) | 3 mph (4 km/h) | 97% | 0.379% |
| 18:00 21:00 | | Times of clear skies and clouds. | 1°F (-17°C) | 4 mph (7 km/h) | 99% | 0.377% |
| 21:00 00:00 | | Mostly clear. | -2°F (-19°C) | 4 mph (7 km/h) | 99% | 0.381% |
| Tuesday, January 14 | O'Fallon sunrise: 07:20 sunset: 17:03 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear, with a few passing clouds. | -2°F (-19°C) | 4 mph (6 km/h) | 99% | 0.381% |
| 03:00 06:00 | | Overcast. | -1°F (-18°C) | 4 mph (7 km/h) | 98% | 0.382% |
| 06:00 09:00 | | Overcast. | 10°F (-12°C) | 6 mph (10 km/h) | 91% | 0.381% |
| 09:00 12:00 | | Overcast. | 19°F (-7°C) | 8 mph (13 km/h) | 84% | 0.383% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.01 in (0.3125 mm). | 22°F (-5°C) | 9 mph (14 km/h) | 90% | 0.385% |
| 15:00 18:00 | | Mostly clear. | 16°F (-9°C) | 6 mph (9 km/h) | 96% | 0.388% |
| 18:00 21:00 | | Mostly clear. | 15°F (-10°C) | 8 mph (12 km/h) | 94% | 0.387% |
| 21:00 00:00 | | Clear. | 13°F (-11°C) | 9 mph (14 km/h) | 93% | 0.388% |
O'Fallon (latitude 38°47'N, longitude 090°43'W)
O'Fallon - other nearby places: Dardenne Prairie (1 miles / 2.4 km away), Lake Saint Louis (4 miles / 5.8 km away), Cottleville (4 miles / 6.9 km away), Weldon Spring Heights (5 miles / 7.9 km away), Weldon Spring (5 miles / 7.9 km away), Saint Peters (5 miles / 8.7 km away), Josephville (6 miles / 9.1 km away), Saint Paul (6 miles / 9.4 km away), Wentzville (8 miles / 14 km away), Flint Hill (10 miles / 16 km away), New Melle (10 miles / 16 km away), Chain of Rocks (10 miles / 16 km away), Old Monroe (11 miles / 17 km away), Saint Charles (11 miles / 17 km away), Chesterfield (12 miles / 19 km away), Maryland Heights (13 miles / 22 km away), Brussels (14 miles / 22 km away), Clarkson Valley (14 miles / 22 km away), Foristell (14 miles / 22 km away), Fountain N' Lakes (15 miles / 23 km away).
View weather forecasts for other places in Missouri
Forecasts for Other Places:
O'Hara Township
37°F ... 52°F (3°C ... 11°C)
Chance of rain between 10 am and 1 pm and after 4 pm. Estimated precipitation: 13.375 mm.
O'Kean
37°F ... 54°F (3°C ... 12°C)
Considerable cloudiness. Estimated precipitation: 0.25 mm.
O'Neill
18°F ... 28°F (-8°C ... -2°C)
Mostly sunny. Estimated precipitation: 0.375 mm.
Oacoma
16°F ... 27°F (-9°C ... -3°C)
Mostly sunny.
Oak
27°F ... 36°F (-3°C ... 2°C)
More clouds than sun.
Oak Bluffs
43°F ... 46°F (6°C ... 8°C)
Chance of rain late at night (after 10 pm). Estimated precipitation: 2.1875 mm.
Oak Brook
30°F ... 41°F (-1°C ... 5°C)
Chance of rain all night and all morning (until 12 pm). Chance of snow early in the afternoon (between 12 pm and 3 pm). Estimated precipitation: 8.6875 mm.
Oak City
46°F ... 70°F (8°C ... 21°C)
Chance of light rain in the evening (between 7 pm and 10 pm). Estimated precipitation: 0.5 mm.
Oak City
23°F ... 32°F (-5°C ... 0°C)
Times of sun and clouds.
Oak Creek
28°F ... 39°F (-2°C ... 4°C)
Chance of light rain between midnight and 3 am. Chance of light snow in the morning (between 9 am and 12 pm). Estimated precipitation: 0.5 mm.