Union Weather Forecast 15 Days, Weather in Union Today
Current weather conditions and 15 day weather forecast for Union, 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 Union
| 09 November 2026 Monday 15.8 ° C / 60.4°F  Sunny |
Feels Like : 11 ° C / 51.8°F Humidity : % 43 Pressure : 1016 mb Wind Speed : 16.9 kmph / 10.5 miles from NNW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
15 day weather forecast for Union, SD, USA
Weather Forecast for next 15 Days for Union 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 Union, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 November 2026 Monday | Sunny |
8 ° C (46.5°F) |
18 ° C (64.3°F) |
11.6 ° C (52.9°F) |
% 54 | 5% | 2.2 | Sunrise:07:23 AM Sunset: 05:17 PM |
Moonrise:08:12 AM Moonset: 05:09 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday |  Overcast |
5 ° C (40.9°F) |
17.4 ° C (63.4°F) |
10.6 ° C (51.2°F) |
% 56 | 8% | 1.9 | Sunrise:07:25 AM Sunset: 05:16 PM |
Moonrise:09:23 AM Moonset: 05:50 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Sunny |
5.1 ° C (41.1°F) |
12.8 ° C (55.1°F) |
9.4 ° C (48.8°F) |
% 71 | 17% | 1.7 | Sunrise:07:26 AM Sunset: 05:15 PM |
Moonrise:10:27 AM Moonset: 06:41 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Sunny |
-0.5 ° C (31.1°F) |
6 ° C (42.8°F) |
2.7 ° C (36.8°F) |
% 68 | 8% | 1.9 | Sunrise:07:27 AM Sunset: 05:13 PM |
Moonrise:11:21 AM Moonset: 07:39 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Sunny |
-1.5 ° C (29.2°F) |
8.3 ° C (46.9°F) |
2.4 ° C (36.3°F) |
% 65 | 9% | 3 | Sunrise:07:29 AM Sunset: 05:12 PM |
Moonrise:12:04 PM Moonset: 08:42 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday |  Cloudy |
1.2 ° C (34.2°F) |
10 ° C (49.9°F) |
5 ° C (41.1°F) |
% 70 | 12% | 3 | Sunrise:07:30 AM Sunset: 05:11 PM |
Moonrise:12:38 PM Moonset: 09:47 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday |  Patchy rain nearby |
5.2 ° C (41.4°F) |
9.8 ° C (49.7°F) |
7.2 ° C (45°F) |
% 80 | 23% | 3 | Sunrise:07:31 AM Sunset: 05:10 PM |
Moonrise:01:05 PM Moonset: 10:52 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday | Cloudy |
6.1 ° C (43°F) |
12.5 ° C (54.4°F) |
9.2 ° C (48.6°F) |
% 78 | 16% | 4 | Sunrise:07:32 AM Sunset: 05:09 PM |
Moonrise:01:28 PM Moonset: 11:56 PM Moon Phase ( First Quarter ) |
|
| 17 November 2026 Tuesday | Overcast |
9.5 ° C (49.1°F) |
13 ° C (55.4°F) |
11 ° C (51.8°F) |
% 66 | 23% | 4 | Sunrise:07:34 AM Sunset: 05:09 PM |
Moonrise:01:47 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 18 November 2026 Wednesday | Patchy rain nearby |
7.5 ° C (45.6°F) |
10.7 ° C (51.3°F) |
9.2 ° C (48.6°F) |
% 77 | 78% | 3 | Sunrise:07:35 AM Sunset: 05:08 PM |
Moonrise:02:05 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 19 November 2026 Thursday |  Light drizzle |
2.6 ° C (36.7°F) |
9.5 ° C (49.1°F) |
6.1 ° C (42.9°F) |
% 82 | 89% | 2 | Sunrise:07:36 AM Sunset: 05:07 PM |
Moonrise:02:23 PM Moonset: 02:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 20 November 2026 Friday |  Partly Cloudy |
-0.3 ° C (31.5°F) |
3.1 ° C (37.6°F) |
1.5 ° C (34.7°F) |
% 77 | 21% | 2 | Sunrise:07:38 AM Sunset: 05:06 PM |
Moonrise:02:41 PM Moonset: 03:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 November 2026 Saturday | Overcast |
-1.3 ° C (29.6°F) |
2.8 ° C (37°F) |
0.9 ° C (33.6°F) |
% 79 | 22% | 1 | Sunrise:07:39 AM Sunset: 05:05 PM |
Moonrise:03:02 PM Moonset: 04:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 November 2026 Sunday | Patchy rain nearby |
-0.2 ° C (31.6°F) |
4.5 ° C (40.2°F) |
2.1 ° C (35.7°F) |
% 78 | 22% | 2 | Sunrise:07:40 AM Sunset: 05:05 PM |
Moonrise:03:26 PM Moonset: 05:24 AM Moon Phase ( Full Moon ) |
|
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