Union Weather Forecast 15 Days, Weather in Union Today
Current weather conditions and 15 day weather forecast for Union, New Hampshire, 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
| 05 December 2025 Friday -13.6 ° C / 7.6°F  Sunny |
Feels Like : -18.1 ° C / -0.6°F Humidity : % 71 Pressure : 1026 mb Wind Speed : 6.1 kmph / 3.8 miles from W  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
15 day weather forecast for Union, NH, 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, New Hampshire 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
-16.2 ° C (2.8°F) |
-4.1 ° C (24.6°F) |
-10.1 ° C (13.9°F) |
% 50 | 0% | 0.2 | Sunrise:07:02 AM Sunset: 04:07 PM |
Moonrise:04:29 PM Moonset: 08:10 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-9.5 ° C (14.9°F) |
-0.7 ° C (30.7°F) |
-4.8 ° C (23.4°F) |
% 57 | 0% | 0.2 | Sunrise:07:03 AM Sunset: 04:07 PM |
Moonrise:05:42 PM Moonset: 09:16 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Partly Cloudy |
-4.2 ° C (24.4°F) |
-2.4 ° C (27.8°F) |
-2.9 ° C (26.8°F) |
% 63 | 0% | 0.2 | Sunrise:07:04 AM Sunset: 04:07 PM |
Moonrise:07:01 PM Moonset: 10:05 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Moderate or heavy snow showers |
-14.1 ° C (6.6°F) |
-5.6 ° C (21.9°F) |
-7.3 ° C (18.9°F) |
% 72 | 66% | 0.1 | Sunrise:07:05 AM Sunset: 04:07 PM |
Moonrise:08:20 PM Moonset: 10:42 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Partly Cloudy |
-15.8 ° C (3.6°F) |
-3.3 ° C (26°F) |
-10.3 ° C (13.4°F) |
% 77 | 0% | 0 | Sunrise:07:06 AM Sunset: 04:07 PM |
Moonrise:09:35 PM Moonset: 11:11 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Light freezing rain |
-4.2 ° C (24.4°F) |
1.4 ° C (34.6°F) |
-1.3 ° C (29.7°F) |
% 90 | 68% | 1 | Sunrise:07:07 AM Sunset: 04:07 PM |
Moonrise:10:45 PM Moonset: 11:33 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Patchy rain nearby |
-1.2 ° C (29.9°F) |
4.6 ° C (40.3°F) |
2.7 ° C (36.8°F) |
% 86 | 69% | 1 | Sunrise:07:07 AM Sunset: 04:07 PM |
Moonrise:11:52 PM Moonset: 11:52 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Sunny |
-4.7 ° C (23.5°F) |
1 ° C (33.9°F) |
-2 ° C (28.4°F) |
% 79 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:07 PM |
Moonrise:No moonrise Moonset: 12:10 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Overcast |
-5 ° C (23.1°F) |
-0.6 ° C (30.9°F) |
-3.3 ° C (26°F) |
% 64 | 0% | 1 | Sunrise:07:09 AM Sunset: 04:07 PM |
Moonrise:12:56 AM Moonset: 12:27 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-5.5 ° C (22.1°F) |
0 ° C (32°F) |
-3.4 ° C (25.8°F) |
% 60 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:08 PM |
Moonrise:02:00 AM Moonset: 12:46 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-6.1 ° C (20.9°F) |
0.5 ° C (33°F) |
-3.4 ° C (25.9°F) |
% 71 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:08 PM |
Moonrise:03:04 AM Moonset: 01:07 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Patchy moderate snow |
-3.3 ° C (26.1°F) |
2.1 ° C (35.8°F) |
-0.5 ° C (31.1°F) |
% 90 | 79% | 1 | Sunrise:07:11 AM Sunset: 04:08 PM |
Moonrise:04:09 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
-0.3 ° C (31.5°F) |
3.5 ° C (38.2°F) |
1 ° C (33.8°F) |
% 98 | 60% | 1 | Sunrise:07:12 AM Sunset: 04:08 PM |
Moonrise:05:14 AM Moonset: 02:02 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Heavy snow |
-1.7 ° C (28.9°F) |
-1.3 ° C (29.7°F) |
-0.8 ° C (30.5°F) |
% 98 | 67% | 1 | Sunrise:07:13 AM Sunset: 04:09 PM |
Moonrise:06:17 AM Moonset: 02:39 PM Moon Phase ( Waning Crescent ) |
|
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