Sullivan Weather Forecast 15 Days, Weather in Sullivan Today
Current weather conditions and 15 day weather forecast for Sullivan, 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 Sullivan
| 25 December 2025 Thursday -7.2 ° C / 19°F  Partly cloudy |
Feels Like : -8.8 ° C / 16.1°F Humidity : % 92 Pressure : 1022 mb Wind Speed : 3.6 kmph / 2.2 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Sullivan, NH, USA
Weather Forecast for next 15 Days for Sullivan 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 Sullivan, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday | Partly Cloudy |
-9.4 ° C (15°F) |
1.9 ° C (35.4°F) |
-2.9 ° C (26.8°F) |
% 69 | 0% | 0.2 | Sunrise:07:19 AM Sunset: 04:20 PM |
Moonrise:10:44 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Sunny |
-14.7 ° C (5.5°F) |
-8.1 ° C (17.4°F) |
-10.9 ° C (12.3°F) |
% 43 | 0% | 0.2 | Sunrise:07:19 AM Sunset: 04:21 PM |
Moonrise:11:04 AM Moonset: 11:17 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-11 ° C (12.2°F) |
-1.7 ° C (28.9°F) |
-5.9 ° C (21.4°F) |
% 34 | 0% | 0.2 | Sunrise:07:19 AM Sunset: 04:21 PM |
Moonrise:11:25 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-12 ° C (10.4°F) |
0.9 ° C (33.6°F) |
-7.2 ° C (19.1°F) |
% 70 | 0% | 0.2 | Sunrise:07:20 AM Sunset: 04:22 PM |
Moonrise:11:46 AM Moonset: 12:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Light sleet |
-5.9 ° C (21.4°F) |
2.8 ° C (37°F) |
-1.7 ° C (28.9°F) |
% 87 | 77% | 0 | Sunrise:07:20 AM Sunset: 04:23 PM |
Moonrise:12:11 PM Moonset: 01:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Overcast |
-7.8 ° C (18°F) |
-3.9 ° C (25°F) |
-5.5 ° C (22.1°F) |
% 74 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:24 PM |
Moonrise:12:42 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-10.4 ° C (13.2°F) |
-1.6 ° C (29.2°F) |
-5.9 ° C (21.3°F) |
% 80 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:24 PM |
Moonrise:01:23 PM Moonset: 04:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Cloudy |
-7.3 ° C (18.8°F) |
0 ° C (32°F) |
-3.5 ° C (25.7°F) |
% 80 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:25 PM |
Moonrise:02:15 PM Moonset: 05:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Overcast |
-7.2 ° C (19°F) |
-1.9 ° C (28.5°F) |
-5.4 ° C (22.3°F) |
% 78 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:26 PM |
Moonrise:03:22 PM Moonset: 06:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Mist |
-4.9 ° C (23.2°F) |
0.2 ° C (32.4°F) |
-1 ° C (30.2°F) |
% 96 | 82% | 1 | Sunrise:07:20 AM Sunset: 04:27 PM |
Moonrise:04:39 PM Moonset: 07:54 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Freezing fog |
-4.1 ° C (24.7°F) |
4.8 ° C (40.7°F) |
0.3 ° C (32.5°F) |
% 89 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:28 PM |
Moonrise:06:00 PM Moonset: 08:38 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Sunny |
-6.3 ° C (20.6°F) |
-2.4 ° C (27.7°F) |
-4.4 ° C (24°F) |
% 66 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:29 PM |
Moonrise:07:18 PM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
-10.5 ° C (13.1°F) |
-6.3 ° C (20.6°F) |
-8.3 ° C (17.1°F) |
% 64 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:30 PM |
Moonrise:08:32 PM Moonset: 09:38 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday |  Light freezing rain |
-12.3 ° C (9.8°F) |
-4 ° C (24.7°F) |
-8.2 ° C (17.2°F) |
% 64 | 78% | 1 | Sunrise:07:20 AM Sunset: 04:31 PM |
Moonrise:09:42 PM Moonset: 09:59 AM Moon Phase ( Waning Gibbous ) |
|
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