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Weather Forecast for Groton (South Dakota)
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Forecast Overview
Mon Dec 23 
34°F 16°F 1°C -9°C Mostly cloudy skies.
detailsTue Dec 24 
27°F 10°F -3°C -12°C Considerable cloudiness.
detailsWed Dec 25 
30°F 10°F -1°C -12°C A few passing clouds.
detailsThu Dec 26 37°F 25°F 3°C -4°C Overcast skies.
detailsFri Dec 27 39°F 36°F 4°C 2°C Chance of light rain late at night.
detailsSat Dec 28 
36°F 34°F 2°C 1°C Chance of rain at various times. Chance of snow most of the day.
detailsSun Dec 29 
37°F 30°F 3°C -1°C Sunny skies.
detailsMon Dec 30 
36°F 27°F 2°C -3°C Times of sun and clouds.
detailsTue Dec 31 36°F 25°F 2°C -4°C Overcast skies.
detailsWed Jan 1 
30°F 21°F -1°C -6°C Chance of light snow after 6 pm.
detailsThu Jan 2 21°F 10°F -6°C -12°C Considerable cloudiness.
detailsFri Jan 3 14°F 7°F -10°C -14°C Times of sun and clouds.
detailsSat Jan 4 28°F 10°F -2°C -12°C Overcast skies.
detailsSun Jan 5 23°F -0°F -5°C -18°C Overcast skies.
details
Detailed Forecast
| Monday, December 23 | sunrise: 08:10 sunset: 16:52 |
| Low around 16°F (-9°C), high around 33°F (1°C). Mostly cloudy skies. Wind: 7 mph (11 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Overcast. | 24°F (-5°C) | 7 mph (11 km/h) | 85% | 0.13% |
| 03:00 06:00 | | Clear. | 20°F (-7°C) | 5 mph (9 km/h) | 90% | 0.13% |
| 06:00 09:00 | | Overcast. | 25°F (-4°C) | 7 mph (11 km/h) | 86% | 0.13% |
| 09:00 12:00 | | Overcast. | 32°F (0°C) | 5 mph (8 km/h) | 86% | 0.13% |
| 12:00 15:00 | | Overcast. | 30°F (-1°C) | 1 mph (2 km/h) | 93% | 0.132% |
| 15:00 18:00 | | Overcast. | 25°F (-4°C) | 5 mph (8 km/h) | 94% | 0.132% |
| 18:00 21:00 | | Partly cloudy. | 19°F (-7°C) | 1 mph (1 km/h) | 97% | 0.132% |
| 21:00 00:00 | | Overcast. | 25°F (-4°C) | 5 mph (8 km/h) | 94% | 0.132% |
| Tuesday, December 24 | sunrise: 08:10 sunset: 16:53 |
| Low around 10°F (-12°C), high around 27°F (-3°C). Considerable cloudiness. Wind: 5 mph (8 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 27°F (-3°C) | 1 mph (2 km/h) | 95% | 0.132% |
| 03:00 06:00 | | Overcast. | 26°F (-3°C) | 4 mph (6 km/h) | 96% | 0.132% |
| 06:00 09:00 | | Considerable cloudiness. | 26°F (-4°C) | 5 mph (8 km/h) | 96% | 0.132% |
| 09:00 12:00 | | Mostly cloudy. | 23°F (-5°C) | 5 mph (7 km/h) | 94% | 0.132% |
| 12:00 15:00 | | Sunny. | 23°F (-5°C) | 4 mph (6 km/h) | 94% | 0.132% |
| 15:00 18:00 | | Overcast. | 14°F (-10°C) | 4 mph (6 km/h) | 98% | 0.132% |
| 18:00 21:00 | | Times of clear skies and clouds. | 10°F (-12°C) | 2 mph (3 km/h) | 97% | 0.132% |
| 21:00 00:00 | | Considerable cloudiness. | 10°F (-12°C) | 3 mph (5 km/h) | 97% | 0.132% |
| Wednesday, December 25 | sunrise: 08:10 sunset: 16:54 |
| Low around 10°F (-12°C), high around 30°F (-1°C). A few passing clouds. Wind: 7 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | A few passing clouds. | 11°F (-11°C) | 4 mph (6 km/h) | 97% | 0.132% |
| 03:00 06:00 | | Mostly cloudy. | 12°F (-11°C) | 4 mph (7 km/h) | 97% | 0.132% |
| 06:00 09:00 | | More clouds than sun. | 16°F (-9°C) | 4 mph (7 km/h) | 97% | 0.132% |
| 09:00 12:00 | | Sunny. | 27°F (-3°C) | 7 mph (11 km/h) | 93% | 0.132% |
| 12:00 15:00 | | Sunny. | 30°F (-1°C) | 6 mph (10 km/h) | 93% | 0.132% |
| 15:00 18:00 | | Clear. | 24°F (-4°C) | 6 mph (10 km/h) | 93% | 0.132% |
| 18:00 21:00 | | Clear. | 24°F (-4°C) | 5 mph (9 km/h) | 91% | 0.132% |
| 21:00 00:00 | | Clear. | 26°F (-3°C) | 7 mph (12 km/h) | 90% | 0.132% |
| Thursday, December 26 | sunrise: 08:11 sunset: 16:54 |
| Low around 25°F (-4°C), high around 37°F (3°C). Overcast skies. Wind: 14 mph (23 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 28°F (-2°C) | 8 mph (13 km/h) | 88% | 0.132% |
| 03:00 06:00 | | Overcast. | 29°F (-2°C) | 7 mph (12 km/h) | 89% | 0.132% |
| 06:00 09:00 | | Overcast. | 33°F (1°C) | 12 mph (19 km/h) | 86% | 0.132% |
| 09:00 12:00 | | Overcast. | 36°F (2°C) | 12 mph (20 km/h) | 90% | 0.138% |
| 12:00 15:00 | | Overcast. | 37°F (3°C) | 13 mph (22 km/h) | 91% | 0.151% |
| 15:00 18:00 | | Overcast. | 36°F (2°C) | 14 mph (22 km/h) | 88% | 0.158% |
| 18:00 21:00 | | Overcast. | 36°F (2°C) | 11 mph (17 km/h) | 89% | 0.161% |
| 21:00 00:00 | | Overcast. | 36°F (2°C) | 14 mph (23 km/h) | 88% | 0.167% |
| Friday, December 27 | sunrise: 08:11 sunset: 16:55 |
| Low around 35°F (2°C), high around 38°F (4°C). Chance of light rain late at night (after 9 pm). Estimated precipitation: 0.02 in (0.4375 mm). Overcast skies. Wind: 14 mph (22 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 36°F (2°C) | 14 mph (22 km/h) | 91% | 0.174% |
| 03:00 06:00 | | Overcast. | 37°F (3°C) | 11 mph (18 km/h) | 93% | 0.181% |
| 06:00 09:00 | | Overcast. | 37°F (3°C) | 11 mph (18 km/h) | 94% | 0.187% |
| 09:00 12:00 | | Overcast. | 38°F (3°C) | 12 mph (19 km/h) | 93% | 0.194% |
| 12:00 15:00 | | Overcast. | 38°F (3°C) | 10 mph (15 km/h) | 93% | 0.201% |
| 15:00 18:00 | | Overcast. | 36°F (2°C) | 8 mph (13 km/h) | 96% | 0.204% |
| 18:00 21:00 | | Overcast. | 35°F (2°C) | 6 mph (10 km/h) | 98% | 0.206% |
| 21:00 00:00 | | Chance of light rain. Precipitation: 0.02 in (0.4375 mm). | 35°F (2°C) | 8 mph (13 km/h) | 95% | 0.21% |
| Saturday, December 28 | sunrise: 08:11 sunset: 16:56 |
| Low around 33°F (1°C), high around 36°F (2°C). Chance of rain in the morning (before 6 am and from 9 am to 12 pm) and at night (after 9 pm). Chance of snow early in the morning (between 6 am and 9 am) and in the afternoon (between 12 pm and 9 pm). Estimated precipitation: 0.17 in (4.3125 mm). Overcast skies. Wind: 7 mph (11 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of rain. Precipitation: 0.06 in (1.5 mm). | 36°F (2°C) | 7 mph (11 km/h) | 93% | 0.227% |
| 03:00 06:00 | | Chance of light rain. Precipitation: 0.03 in (0.8125 mm). | 35°F (2°C) | 4 mph (7 km/h) | 95% | 0.237% |
| 06:00 09:00 | | Chance of light snow. Precipitation: 0.02 in (0.4375 mm). | 35°F (1°C) | 4 mph (6 km/h) | 97% | 0.241% |
| 09:00 12:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 34°F (1°C) | 3 mph (5 km/h) | 98% | 0.243% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.01 in (0.25 mm). | 34°F (1°C) | 3 mph (6 km/h) | 99% | 0.245% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0.02 in (0.625 mm). | 33°F (1°C) | 2 mph (4 km/h) | 100% | 0.248% |
| 18:00 21:00 | | Chance of light snow. Precipitation: 0.01 in (0.1875 mm). | 34°F (1°C) | 4 mph (7 km/h) | 99% | 0.249% |
| 21:00 00:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 34°F (1°C) | 5 mph (8 km/h) | 99% | 0.25% |
| Sunday, December 29 | sunrise: 08:12 sunset: 16:57 |
| Low around 30°F (-1°C), high around 38°F (3°C). Sunny skies. Wind: 7 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Times of clear skies and clouds. | 35°F (2°C) | 5 mph (9 km/h) | 98% | 0.25% |
| 03:00 06:00 | | Clear. | 31°F (-1°C) | 6 mph (9 km/h) | 92% | 0.249% |
| 06:00 09:00 | | Mostly sunny. | 30°F (-1°C) | 5 mph (8 km/h) | 90% | 0.248% |
| 09:00 12:00 | | Sunny. | 36°F (2°C) | 5 mph (8 km/h) | 75% | 0.249% |
| 12:00 15:00 | | Sunny. | 38°F (3°C) | 7 mph (12 km/h) | 72% | 0.249% |
| 15:00 18:00 | | Clear. | 33°F (0°C) | 6 mph (9 km/h) | 85% | 0.249% |
| 18:00 21:00 | | Clear. | 31°F (-0°C) | 5 mph (7 km/h) | 86% | 0.248% |
| 21:00 00:00 | | Clear. | 30°F (-1°C) | 5 mph (8 km/h) | 87% | 0.248% |
| Monday, December 30 | sunrise: 08:12 sunset: 16:57 |
| Low around 26°F (-3°C), high around 35°F (2°C). Times of sun and clouds. Wind: 8 mph (13 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 30°F (-1°C) | 4 mph (7 km/h) | 83% | 0.248% |
| 03:00 06:00 | | Clear. | 29°F (-1°C) | 3 mph (5 km/h) | 80% | 0.248% |
| 06:00 09:00 | | Sunny. | 29°F (-2°C) | 5 mph (8 km/h) | 84% | 0.248% |
| 09:00 12:00 | | Overcast. | 34°F (1°C) | 8 mph (13 km/h) | 65% | 0.248% |
| 12:00 15:00 | | Overcast. | 35°F (2°C) | 8 mph (13 km/h) | 63% | 0.248% |
| 15:00 18:00 | | Clear. | 29°F (-2°C) | 5 mph (8 km/h) | 80% | 0.247% |
| 18:00 21:00 | | Clear. | 27°F (-3°C) | 4 mph (6 km/h) | 86% | 0.247% |
| 21:00 00:00 | | Clear. | 26°F (-3°C) | 2 mph (3 km/h) | 87% | 0.247% |
| Tuesday, December 31 | sunrise: 08:12 sunset: 16:58 |
| Low around 25°F (-4°C), high around 35°F (2°C). Estimated precipitation: 0 in (0.0625 mm). Overcast skies. Wind: 9 mph (15 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 25°F (-4°C) | 3 mph (5 km/h) | 87% | 0.247% |
| 03:00 06:00 | | Overcast. | 26°F (-3°C) | 6 mph (9 km/h) | 82% | 0.247% |
| 06:00 09:00 | | Overcast. | 28°F (-2°C) | 6 mph (10 km/h) | 77% | 0.247% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 33°F (1°C) | 9 mph (14 km/h) | 65% | 0.247% |
| 12:00 15:00 | | Overcast. | 35°F (1°C) | 9 mph (15 km/h) | 66% | 0.247% |
| 15:00 18:00 | | Overcast. | 29°F (-2°C) | 9 mph (15 km/h) | 82% | 0.246% |
| 18:00 21:00 | | Overcast. | 29°F (-2°C) | 5 mph (9 km/h) | 86% | 0.246% |
| 21:00 00:00 | | Overcast. | 28°F (-2°C) | 8 mph (13 km/h) | 91% | 0.246% |
| Wednesday, January 1 | sunrise: 08:12 sunset: 16:59 |
| Low around 21°F (-6°C), high around 30°F (-1°C). Chance of light snow in the evening and during the night (after 6 pm). Estimated precipitation: 0.01 in (0.25 mm). Overcast skies. Wind: 13 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 28°F (-2°C) | 6 mph (10 km/h) | 92% | 0.246% |
| 03:00 06:00 | | Overcast. | 27°F (-3°C) | 10 mph (16 km/h) | 94% | 0.245% |
| 06:00 09:00 | | Overcast. | 27°F (-3°C) | 11 mph (17 km/h) | 90% | 0.245% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 29°F (-2°C) | 12 mph (19 km/h) | 81% | 0.245% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 29°F (-1°C) | 13 mph (20 km/h) | 78% | 0.245% |
| 15:00 18:00 | | Overcast. | 26°F (-3°C) | 13 mph (20 km/h) | 82% | 0.245% |
| 18:00 21:00 | | Chance of light snow. Precipitation: 0 in (0.0625 mm). | 23°F (-5°C) | 12 mph (20 km/h) | 84% | 0.244% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0 in (0.0625 mm). | 21°F (-6°C) | 12 mph (19 km/h) | 86% | 0.244% |
| Thursday, January 2 | sunrise: 08:12 sunset: 16:59 |
| Low around 10°F (-12°C), high around 21°F (-6°C). Estimated precipitation: 0.01 in (0.1875 mm). Considerable cloudiness. Wind: 13 mph (21 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0 in (0.125 mm). | 20°F (-7°C) | 12 mph (20 km/h) | 83% | 0.244% |
| 03:00 06:00 | | Mostly cloudy. Precipitation: 0 in (0.0625 mm). | 17°F (-8°C) | 13 mph (21 km/h) | 76% | 0.244% |
| 06:00 09:00 | | Overcast. | 14°F (-10°C) | 12 mph (19 km/h) | 78% | 0.244% |
| 09:00 12:00 | | Overcast. | 16°F (-9°C) | 12 mph (20 km/h) | 66% | 0.244% |
| 12:00 15:00 | | Overcast. | 18°F (-8°C) | 11 mph (17 km/h) | 64% | 0.243% |
| 15:00 18:00 | | Clear. | 15°F (-10°C) | 8 mph (14 km/h) | 74% | 0.243% |
| 18:00 21:00 | | Partly cloudy. | 12°F (-11°C) | 8 mph (12 km/h) | 79% | 0.243% |
| 21:00 00:00 | | Clear. | 10°F (-12°C) | 6 mph (10 km/h) | 81% | 0.243% |
| Friday, January 3 | sunrise: 08:12 sunset: 17:00 |
| Low around 7°F (-14°C), high around 15°F (-10°C). Times of sun and clouds. Wind: 5 mph (8 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 8°F (-13°C) | 5 mph (8 km/h) | 83% | 0.243% |
| 03:00 06:00 | | Clear. | 8°F (-14°C) | 4 mph (7 km/h) | 84% | 0.243% |
| 06:00 09:00 | | Overcast. | 7°F (-14°C) | 5 mph (8 km/h) | 81% | 0.243% |
| 09:00 12:00 | | Overcast. | 12°F (-11°C) | 5 mph (7 km/h) | 67% | 0.243% |
| 12:00 15:00 | | Mostly cloudy. | 14°F (-10°C) | 3 mph (5 km/h) | 61% | 0.243% |
| 15:00 18:00 | | Clear. | 12°F (-11°C) | 2 mph (4 km/h) | 71% | 0.243% |
| 18:00 21:00 | | Clear. | 11°F (-12°C) | 4 mph (6 km/h) | 76% | 0.243% |
| 21:00 00:00 | | Clear. | 11°F (-12°C) | 5 mph (8 km/h) | 81% | 0.243% |
| Saturday, January 4 | sunrise: 08:12 sunset: 17:01 |
| Low around 11°F (-12°C), high around 28°F (-2°C). Overcast skies. Wind: 14 mph (23 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 12°F (-11°C) | 6 mph (10 km/h) | 78% | 0.243% |
| 03:00 06:00 | | Overcast. | 13°F (-10°C) | 9 mph (14 km/h) | 73% | 0.243% |
| 06:00 09:00 | | Overcast. | 17°F (-8°C) | 12 mph (19 km/h) | 68% | 0.243% |
| 09:00 12:00 | | Overcast. | 25°F (-4°C) | 14 mph (23 km/h) | 63% | 0.243% |
| 12:00 15:00 | | Overcast. | 28°F (-2°C) | 13 mph (21 km/h) | 63% | 0.243% |
| 15:00 18:00 | | Overcast. | 26°F (-3°C) | 10 mph (16 km/h) | 80% | 0.242% |
| 18:00 21:00 | | Overcast. | 24°F (-5°C) | 7 mph (11 km/h) | 89% | 0.242% |
| 21:00 00:00 | | Overcast. | 23°F (-5°C) | 14 mph (22 km/h) | 78% | 0.242% |
| Sunday, January 5 | sunrise: 08:12 sunset: 17:02 |
| Low around -1°F (-18°C), high around 23°F (-5°C). Overcast skies. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 20°F (-7°C) | 13 mph (20 km/h) | 85% | 0.242% |
| 03:00 06:00 | | Overcast. | 17°F (-9°C) | 13 mph (22 km/h) | 82% | 0.242% |
| 06:00 09:00 | | Overcast. | 13°F (-11°C) | 14 mph (22 km/h) | 69% | 0.242% |
| 09:00 12:00 | | Considerable cloudiness. | 11°F (-12°C) | 14 mph (23 km/h) | 57% | 0.242% |
| 12:00 15:00 | | Overcast. | 9°F (-13°C) | 15 mph (24 km/h) | 53% | 0.242% |
| 15:00 18:00 | | Overcast. | 4°F (-16°C) | 14 mph (23 km/h) | 61% | 0.242% |
| 18:00 21:00 | | Overcast. | 1°F (-17°C) | 14 mph (22 km/h) | 58% | 0.241% |
| 21:00 00:00 | | Overcast. | -1°F (-18°C) | 12 mph (19 km/h) | 57% | 0.241% |
Groton (latitude 45°27'N, longitude 098°06'W)
Local Time:
Groton 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.
Groton 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.