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Weather Forecast for Groton (South Dakota)
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Forecast Overview
Fri Jan 31 
45°F 28°F 7°C -2°C Sunny skies.
detailsSat Feb 1 
28°F 18°F -2°C -8°C Overcast skies.
detailsSun Feb 2 
39°F 21°F 4°C -6°C Mostly cloudy skies.
detailsMon Feb 3 
32°F 12°F -0°C -11°C Chance of snow in the morning.
detailsTue Feb 4 12°F 3°F -11°C -16°C Mostly cloudy skies.
detailsWed Feb 5 
10°F 1°F -12°C -17°C Chance of snow after 12 pm.
detailsThu Feb 6 
16°F 3°F -9°C -16°C Chance of light snow before sunrise.
detailsFri Feb 7 19°F -2°F -7°C -19°C Sunny skies.
detailsSat Feb 8 19°F 1°F -7°C -17°C Considerable cloudiness.
detailsSun Feb 9 18°F -2°F -8°C -19°C Considerable cloudiness.
detailsMon Feb 10 
14°F -4°F -10°C -20°C More sun than clouds.
detailsTue Feb 11 
14°F 7°F -10°C -14°C Chance of light snow all day.
detailsWed Feb 12 16°F 5°F -9°C -15°C Chance of snow at various times.
detailsThu Feb 13 12°F -13°F -11°C -25°C More sun than clouds.
details
Detailed Forecast
| Friday, January 31 | sunrise: 07:55 sunset: 17:36 |
| Low around 28°F (-2°C), high around 44°F (7°C). Sunny skies. Wind: 10 mph (15 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Clear. | 31°F (-0°C) | 6 mph (9 km/h) | 84% | 0.266% |
| 03:00 06:00 | | Clear. | 30°F (-1°C) | 5 mph (8 km/h) | 81% | 0.266% |
| 06:00 09:00 | | Sunny. | 31°F (-1°C) | 3 mph (5 km/h) | 74% | 0.266% |
| 09:00 12:00 | | Sunny. | 40°F (5°C) | 5 mph (8 km/h) | 51% | 0.265% |
| 12:00 15:00 | | Sunny. | 44°F (7°C) | 2 mph (4 km/h) | 43% | 0.264% |
| 15:00 18:00 | | Clear. | 36°F (2°C) | 5 mph (8 km/h) | 58% | 0.264% |
| 18:00 21:00 | | Clear. | 30°F (-1°C) | 9 mph (14 km/h) | 82% | 0.263% |
| 21:00 00:00 | | Clear. | 28°F (-2°C) | 10 mph (15 km/h) | 93% | 0.263% |
| Saturday, February 1 | sunrise: 07:54 sunset: 17:37 |
| Low around 18°F (-8°C), high around 28°F (-2°C). Estimated precipitation: 0 in (0.0625 mm). Overcast skies. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 25°F (-4°C) | 13 mph (21 km/h) | 84% | 0.263% |
| 03:00 06:00 | | Overcast. | 22°F (-5°C) | 12 mph (19 km/h) | 88% | 0.263% |
| 06:00 09:00 | | Overcast. | 22°F (-6°C) | 15 mph (24 km/h) | 82% | 0.262% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 24°F (-4°C) | 14 mph (23 km/h) | 65% | 0.262% |
| 12:00 15:00 | | More clouds than sun. | 25°F (-4°C) | 14 mph (22 km/h) | 58% | 0.262% |
| 15:00 18:00 | | Overcast. | 20°F (-7°C) | 11 mph (18 km/h) | 65% | 0.261% |
| 18:00 21:00 | | Overcast. | 18°F (-8°C) | 10 mph (17 km/h) | 66% | 0.261% |
| 21:00 00:00 | | Overcast. | 21°F (-6°C) | 11 mph (17 km/h) | 70% | 0.261% |
| Sunday, February 2 | sunrise: 07:53 sunset: 17:39 |
| Low around 21°F (-6°C), high around 40°F (4°C). Mostly cloudy skies. Wind: 19 mph (30 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 24°F (-4°C) | 15 mph (24 km/h) | 65% | 0.26% |
| 03:00 06:00 | | Overcast. | 26°F (-3°C) | 19 mph (30 km/h) | 71% | 0.26% |
| 06:00 09:00 | | Overcast. | 28°F (-2°C) | 16 mph (26 km/h) | 78% | 0.26% |
| 09:00 12:00 | | Overcast. | 34°F (1°C) | 13 mph (20 km/h) | 73% | 0.26% |
| 12:00 15:00 | | Overcast. | 40°F (4°C) | 8 mph (12 km/h) | 60% | 0.259% |
| 15:00 18:00 | | Overcast. | 35°F (1°C) | 3 mph (4 km/h) | 75% | 0.259% |
| 18:00 21:00 | | Clear. | 34°F (1°C) | 7 mph (11 km/h) | 76% | 0.259% |
| 21:00 00:00 | | Clear. | 31°F (-0°C) | 6 mph (9 km/h) | 85% | 0.259% |
| Monday, February 3 | sunrise: 07:52 sunset: 17:40 |
| Low around 12°F (-11°C), high around 31°F (-0°C). Chance of snow early in the morning (between 6 am and 9 am). Estimated precipitation: 0.06 in (1.5 mm). Mostly cloudy skies. Wind: 18 mph (29 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear, with a few passing clouds. | 31°F (-1°C) | 4 mph (6 km/h) | 85% | 0.259% |
| 03:00 06:00 | | Overcast. | 30°F (-1°C) | 5 mph (7 km/h) | 86% | 0.259% |
| 06:00 09:00 | | Chance of light snow. Precipitation: 0 in (0.125 mm). | 30°F (-1°C) | 11 mph (18 km/h) | 97% | 0.259% |
| 09:00 12:00 | | A few passing clouds. Precipitation: 0.05 in (1.375 mm). | 27°F (-3°C) | 18 mph (29 km/h) | 65% | 0.259% |
| 12:00 15:00 | | Sunny. | 24°F (-5°C) | 18 mph (29 km/h) | 49% | 0.259% |
| 15:00 18:00 | | Overcast. | 17°F (-8°C) | 13 mph (22 km/h) | 59% | 0.258% |
| 18:00 21:00 | | Considerable cloudiness. | 14°F (-10°C) | 12 mph (19 km/h) | 59% | 0.258% |
| 21:00 00:00 | | Overcast. | 12°F (-11°C) | 12 mph (20 km/h) | 53% | 0.258% |
| Tuesday, February 4 | sunrise: 07:51 sunset: 17:42 |
| Low around 3°F (-16°C), high around 12°F (-11°C). Mostly cloudy skies. Wind: 14 mph (23 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 9°F (-13°C) | 14 mph (22 km/h) | 55% | 0.258% |
| 03:00 06:00 | | Overcast. | 6°F (-15°C) | 14 mph (23 km/h) | 52% | 0.258% |
| 06:00 09:00 | | Overcast. | 4°F (-15°C) | 14 mph (23 km/h) | 51% | 0.258% |
| 09:00 12:00 | | Sunny. | 7°F (-14°C) | 14 mph (23 km/h) | 47% | 0.257% |
| 12:00 15:00 | | More sun than clouds. | 9°F (-13°C) | 13 mph (21 km/h) | 46% | 0.257% |
| 15:00 18:00 | | Overcast. | 7°F (-14°C) | 10 mph (17 km/h) | 56% | 0.257% |
| 18:00 21:00 | | Overcast. | 5°F (-15°C) | 9 mph (14 km/h) | 60% | 0.257% |
| 21:00 00:00 | | Overcast. | 3°F (-16°C) | 6 mph (10 km/h) | 66% | 0.257% |
| Wednesday, February 5 | sunrise: 07:50 sunset: 17:43 |
| Low around 2°F (-17°C), high around 10°F (-12°C). Chance of snow from 12 pm till midnight. Estimated precipitation: 0.14 in (3.5 mm). Overcast skies. Wind: 8 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 2°F (-16°C) | 8 mph (12 km/h) | 66% | 0.257% |
| 03:00 06:00 | | Overcast. | 2°F (-17°C) | 3 mph (4 km/h) | 64% | 0.257% |
| 06:00 09:00 | | Overcast. | 3°F (-16°C) | 4 mph (6 km/h) | 60% | 0.257% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 7°F (-14°C) | 5 mph (8 km/h) | 59% | 0.257% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.02 in (0.4375 mm). | 9°F (-13°C) | 5 mph (9 km/h) | 86% | 0.257% |
| 15:00 18:00 | | Chance of snow. Precipitation: 0.05 in (1.375 mm). | 9°F (-13°C) | 6 mph (10 km/h) | 94% | 0.257% |
| 18:00 21:00 | | Chance of snow. Precipitation: 0.04 in (1 mm). | 8°F (-13°C) | 6 mph (10 km/h) | 94% | 0.257% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0.02 in (0.625 mm). | 9°F (-13°C) | 5 mph (8 km/h) | 94% | 0.257% |
| Thursday, February 6 | sunrise: 07:48 sunset: 17:44 |
| Low around 3°F (-16°C), high around 15°F (-9°C). Chance of light snow between midnight and 3 am. Estimated precipitation: 0.02 in (0.5 mm). Mostly cloudy skies. Wind: 8 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light snow. Precipitation: 0.01 in (0.3125 mm). | 9°F (-13°C) | 5 mph (8 km/h) | 94% | 0.257% |
| 03:00 06:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 6°F (-15°C) | 3 mph (5 km/h) | 96% | 0.257% |
| 06:00 09:00 | | Overcast. | 7°F (-14°C) | 3 mph (4 km/h) | 93% | 0.257% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 12°F (-11°C) | 5 mph (9 km/h) | 79% | 0.257% |
| 12:00 15:00 | | Overcast. | 15°F (-10°C) | 8 mph (12 km/h) | 72% | 0.257% |
| 15:00 18:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 10°F (-12°C) | 6 mph (10 km/h) | 86% | 0.257% |
| 18:00 21:00 | | Overcast. | 4°F (-16°C) | 6 mph (9 km/h) | 93% | 0.257% |
| 21:00 00:00 | | Clear. | 3°F (-16°C) | 7 mph (12 km/h) | 93% | 0.257% |
| Friday, February 7 | sunrise: 07:47 sunset: 17:46 |
| Low around -2°F (-19°C), high around 20°F (-7°C). Sunny skies. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 2°F (-17°C) | 9 mph (14 km/h) | 90% | 0.257% |
| 03:00 06:00 | | Clear. | -1°F (-18°C) | 8 mph (13 km/h) | 92% | 0.257% |
| 06:00 09:00 | | Sunny. | 1°F (-17°C) | 8 mph (13 km/h) | 87% | 0.257% |
| 09:00 12:00 | | Sunny. | 13°F (-11°C) | 10 mph (16 km/h) | 66% | 0.257% |
| 12:00 15:00 | | Sunny. | 19°F (-7°C) | 12 mph (19 km/h) | 62% | 0.257% |
| 15:00 18:00 | | Clear. | 13°F (-10°C) | 10 mph (16 km/h) | 84% | 0.257% |
| 18:00 21:00 | | Clear. | 11°F (-12°C) | 10 mph (16 km/h) | 90% | 0.257% |
| 21:00 00:00 | | Clear. | 9°F (-13°C) | 8 mph (13 km/h) | 91% | 0.257% |
| Saturday, February 8 | sunrise: 07:46 sunset: 17:47 |
| Low around 1°F (-17°C), high around 19°F (-7°C). Considerable cloudiness. Wind: 10 mph (16 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 6°F (-15°C) | 6 mph (10 km/h) | 95% | 0.257% |
| 03:00 06:00 | | Overcast. | 1°F (-17°C) | 3 mph (5 km/h) | 96% | 0.257% |
| 06:00 09:00 | | Mostly cloudy. | 7°F (-14°C) | 5 mph (7 km/h) | 92% | 0.257% |
| 09:00 12:00 | | Overcast. | 17°F (-8°C) | 10 mph (16 km/h) | 75% | 0.257% |
| 12:00 15:00 | | Overcast. | 19°F (-7°C) | 10 mph (16 km/h) | 70% | 0.257% |
| 15:00 18:00 | | Clear. | 10°F (-12°C) | 5 mph (7 km/h) | 89% | 0.257% |
| 18:00 21:00 | | Clear. | 3°F (-16°C) | 3 mph (4 km/h) | 97% | 0.257% |
| 21:00 00:00 | | Overcast. | 1°F (-17°C) | 0 mph (1 km/h) | 98% | 0.257% |
| Sunday, February 9 | sunrise: 07:44 sunset: 17:49 |
| Low around -3°F (-19°C), high around 18°F (-8°C). Considerable cloudiness. Wind: 7 mph (11 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Partly cloudy. | -1°F (-18°C) | 2 mph (3 km/h) | 99% | 0.257% |
| 03:00 06:00 | | Overcast. | -2°F (-19°C) | 3 mph (5 km/h) | 99% | 0.257% |
| 06:00 09:00 | | Sunny. | 3°F (-16°C) | 4 mph (7 km/h) | 92% | 0.257% |
| 09:00 12:00 | | Overcast. | 14°F (-10°C) | 5 mph (8 km/h) | 77% | 0.257% |
| 12:00 15:00 | | Overcast. | 18°F (-8°C) | 7 mph (11 km/h) | 72% | 0.257% |
| 15:00 18:00 | | Overcast. | 10°F (-12°C) | 3 mph (6 km/h) | 90% | 0.257% |
| 18:00 21:00 | | Mostly clear, with a few passing clouds. | 2°F (-17°C) | 3 mph (5 km/h) | 97% | 0.257% |
| 21:00 00:00 | | Clear. | -1°F (-18°C) | 2 mph (4 km/h) | 98% | 0.257% |
| Monday, February 10 | sunrise: 07:43 sunset: 17:50 |
| Low around -4°F (-20°C), high around 13°F (-10°C). More sun than clouds. Wind: 6 mph (9 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear, with a few passing clouds. | -2°F (-19°C) | 1 mph (2 km/h) | 98% | 0.257% |
| 03:00 06:00 | | Partly cloudy. | -3°F (-20°C) | 1 mph (1 km/h) | 100% | 0.257% |
| 06:00 09:00 | | Sunny. | 1°F (-17°C) | 2 mph (3 km/h) | 94% | 0.257% |
| 09:00 12:00 | | Sunny. | 9°F (-13°C) | 5 mph (7 km/h) | 66% | 0.257% |
| 12:00 15:00 | | More clouds than sun. | 13°F (-10°C) | 5 mph (8 km/h) | 55% | 0.257% |
| 15:00 18:00 | | Clear. | 6°F (-15°C) | 5 mph (8 km/h) | 83% | 0.257% |
| 18:00 21:00 | | Overcast. | 3°F (-16°C) | 5 mph (9 km/h) | 87% | 0.257% |
| 21:00 00:00 | | Overcast. | 6°F (-14°C) | 6 mph (9 km/h) | 83% | 0.257% |
| Tuesday, February 11 | sunrise: 07:41 sunset: 17:52 |
| Low around 6°F (-14°C), high around 14°F (-10°C). Chance of light snow most of the day (after 6 am). Estimated precipitation: 0.15 in (3.75 mm). Overcast skies. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 7°F (-14°C) | 7 mph (11 km/h) | 86% | 0.257% |
| 03:00 06:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 7°F (-14°C) | 10 mph (17 km/h) | 92% | 0.257% |
| 06:00 09:00 | | Chance of light snow. Precipitation: 0.02 in (0.4375 mm). | 8°F (-14°C) | 10 mph (16 km/h) | 93% | 0.257% |
| 09:00 12:00 | | Chance of light snow. Precipitation: 0.03 in (0.75 mm). | 12°F (-11°C) | 11 mph (18 km/h) | 88% | 0.257% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.02 in (0.5 mm). | 14°F (-10°C) | 12 mph (19 km/h) | 86% | 0.257% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0.02 in (0.5 mm). | 11°F (-12°C) | 10 mph (16 km/h) | 94% | 0.257% |
| 18:00 21:00 | | Chance of light snow. Precipitation: 0.03 in (0.75 mm). | 9°F (-13°C) | 11 mph (17 km/h) | 94% | 0.257% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0.02 in (0.5625 mm). | 8°F (-13°C) | 10 mph (15 km/h) | 95% | 0.257% |
| Wednesday, February 12 | sunrise: 07:40 sunset: 17:53 |
| Low around 5°F (-15°C), high around 15°F (-9°C). Chance of snow between midnight and 3 am, and again after 3 pm. Estimated precipitation: 0.11 in (2.75 mm). Overcast skies. Wind: 9 mph (14 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light snow. Precipitation: 0.02 in (0.4375 mm). | 7°F (-14°C) | 8 mph (13 km/h) | 95% | 0.257% |
| 03:00 06:00 | | Mostly cloudy. Precipitation: 0.01 in (0.1875 mm). | 6°F (-14°C) | 9 mph (14 km/h) | 96% | 0.257% |
| 06:00 09:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 8°F (-14°C) | 8 mph (13 km/h) | 92% | 0.257% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 13°F (-11°C) | 9 mph (14 km/h) | 86% | 0.257% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 15°F (-9°C) | 9 mph (14 km/h) | 83% | 0.257% |
| 15:00 18:00 | | Chance of light snow. Precipitation: 0.01 in (0.375 mm). | 13°F (-10°C) | 5 mph (8 km/h) | 96% | 0.257% |
| 18:00 21:00 | | Chance of snow. Precipitation: 0.04 in (1.0625 mm). | 13°F (-10°C) | 5 mph (8 km/h) | 96% | 0.257% |
| 21:00 00:00 | | Chance of light snow. Precipitation: 0.02 in (0.5 mm). | 12°F (-11°C) | 7 mph (12 km/h) | 95% | 0.257% |
| Thursday, February 13 | sunrise: 07:39 sunset: 17:55 |
| Low around -12°F (-25°C), high around 12°F (-11°C). Estimated precipitation: 0 in (0.125 mm). More sun than clouds. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Times of clear skies and clouds. Precipitation: 0 in (0.125 mm). | 5°F (-15°C) | 7 mph (12 km/h) | 96% | 0.257% |
| 03:00 06:00 | | Clear. | 1°F (-17°C) | 7 mph (11 km/h) | 96% | 0.257% |
| 06:00 09:00 | | Sunny. | 2°F (-17°C) | 9 mph (14 km/h) | 92% | 0.257% |
| 09:00 12:00 | | Overcast. | 6°F (-14°C) | 11 mph (18 km/h) | 75% | 0.257% |
| 12:00 15:00 | | Overcast. | 8°F (-14°C) | 12 mph (19 km/h) | 74% | 0.257% |
| 15:00 18:00 | | Clear. | -3°F (-19°C) | 5 mph (7 km/h) | 93% | 0.257% |
| 18:00 21:00 | | Clear. | -9°F (-23°C) | 6 mph (9 km/h) | 98% | 0.257% |
| 21:00 00:00 | | Mostly clear. | -11°F (-24°C) | 7 mph (11 km/h) | 99% | 0.257% |
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.