Summit Weather Forecast 15 Days, Weather in Summit Today
Current weather conditions and 15 day weather forecast for Summit, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Summit
| 23 December 2025 Tuesday 0.1 ° C / 32.2°F  Clear |
Feels Like : -4.7 ° C / 23.6°F Humidity : % 100 Pressure : 1019 mb Wind Speed : 17.3 kmph / 10.7 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Summit, SD, USA
Weather Forecast for next 15 Days for Summit including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Summit, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday | Sunny |
-3.5 ° C (25.7°F) |
5.1 ° C (41.2°F) |
-0.5 ° C (31°F) |
% 83 | 0% | 0.3 | Sunrise:08:01 AM Sunset: 04:54 PM |
Moonrise:10:42 AM Moonset: 08:30 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
-3.5 ° C (25.7°F) |
-0.3 ° C (31.5°F) |
-1.9 ° C (28.6°F) |
% 97 | 0% | 0.3 | Sunrise:08:02 AM Sunset: 04:55 PM |
Moonrise:11:06 AM Moonset: 09:40 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-4 ° C (24.8°F) |
-1.8 ° C (28.7°F) |
-2 ° C (28.4°F) |
% 95 | 0% | 0.2 | Sunrise:08:02 AM Sunset: 04:56 PM |
Moonrise:11:26 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
-0.5 ° C (31.1°F) |
3 ° C (37.5°F) |
1.4 ° C (34.5°F) |
% 91 | 0% | 0.2 | Sunrise:08:02 AM Sunset: 04:56 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Partly Cloudy |
-4.6 ° C (23.7°F) |
4.2 ° C (39.5°F) |
1.9 ° C (35.3°F) |
% 81 | 0% | 0 | Sunrise:08:02 AM Sunset: 04:57 PM |
Moonrise:12:04 PM Moonset: 12:01 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-6.7 ° C (19.9°F) |
-1.8 ° C (28.8°F) |
-4.6 ° C (23.7°F) |
% 54 | 0% | 2 | Sunrise:08:03 AM Sunset: 04:58 PM |
Moonrise:12:25 PM Moonset: 01:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-3.2 ° C (26.2°F) |
0.9 ° C (33.7°F) |
-1.9 ° C (28.6°F) |
% 65 | 0% | 2 | Sunrise:08:03 AM Sunset: 04:59 PM |
Moonrise:12:50 PM Moonset: 02:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Light freezing rain |
-2.9 ° C (26.9°F) |
2.8 ° C (37.1°F) |
-0.1 ° C (31.8°F) |
% 80 | 78% | 1 | Sunrise:08:03 AM Sunset: 04:59 PM |
Moonrise:01:20 PM Moonset: 03:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Fog |
0.6 ° C (33.1°F) |
2.9 ° C (37.2°F) |
1.9 ° C (35.4°F) |
% 98 | 0% | 1 | Sunrise:08:03 AM Sunset: 05:00 PM |
Moonrise:02:00 PM Moonset: 05:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Patchy rain nearby |
2.7 ° C (36.8°F) |
4.2 ° C (39.6°F) |
3.6 ° C (38.6°F) |
% 99 | 84% | 1 | Sunrise:08:03 AM Sunset: 05:01 PM |
Moonrise:02:53 PM Moonset: 06:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Fog |
4.4 ° C (40°F) |
6.6 ° C (43.8°F) |
5.4 ° C (41.7°F) |
% 99 | 0% | 2 | Sunrise:08:03 AM Sunset: 05:02 PM |
Moonrise:04:01 PM Moonset: 07:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
-6.5 ° C (20.2°F) |
5.5 ° C (41.8°F) |
1.3 ° C (34.4°F) |
% 95 | 65% | 1 | Sunrise:08:03 AM Sunset: 05:03 PM |
Moonrise:05:19 PM Moonset: 08:41 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Cloudy |
-9.3 ° C (15.2°F) |
-6 ° C (21.1°F) |
-7.9 ° C (17.8°F) |
% 85 | 0% | 1 | Sunrise:08:03 AM Sunset: 05:04 PM |
Moonrise:06:41 PM Moonset: 09:24 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Patchy moderate snow |
-9.4 ° C (15°F) |
-6.1 ° C (21.1°F) |
-8.1 ° C (17.4°F) |
% 88 | 74% | 1 | Sunrise:08:03 AM Sunset: 05:05 PM |
Moonrise:08:00 PM Moonset: 09:56 AM Moon Phase ( Waning Gibbous ) |
|
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