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
| 15 May 2026 Friday 10.1 ° C / 50.2°F  Overcast |
Feels Like : 9.9 ° C / 49.7°F Humidity : % 89 Pressure : 1006 mb Wind Speed : 5 kmph / 3.1 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday |  Patchy rain nearby |
5.4 ° C (41.7°F) |
10.7 ° C (51.3°F) |
9.3 ° C (48.8°F) |
% 95 | 89% | 1.1 | Sunrise:05:26 AM Sunset: 08:05 PM |
Moonrise:04:12 AM Moonset: 07:09 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Partly Cloudy |
3.7 ° C (38.7°F) |
22.5 ° C (72.6°F) |
13.3 ° C (56°F) |
% 72 | 0% | 8.3 | Sunrise:05:25 AM Sunset: 08:06 PM |
Moonrise:04:45 AM Moonset: 08:32 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Sunny |
10.6 ° C (51.2°F) |
26 ° C (78.7°F) |
17.8 ° C (64.1°F) |
% 69 | 0% | 8.1 | Sunrise:05:24 AM Sunset: 08:07 PM |
Moonrise:05:28 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
8.3 ° C (46.9°F) |
26.3 ° C (79.3°F) |
17.1 ° C (62.8°F) |
% 69 | 0% | 8 | Sunrise:05:23 AM Sunset: 08:08 PM |
Moonrise:06:23 AM Moonset: 11:02 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
12.1 ° C (53.7°F) |
31.2 ° C (88.1°F) |
20.1 ° C (68.2°F) |
% 72 | 0% | 1.4 | Sunrise:05:22 AM Sunset: 08:09 PM |
Moonrise:07:33 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
11.9 ° C (53.4°F) |
29.2 ° C (84.6°F) |
20.3 ° C (68.5°F) |
% 76 | 0% | 6 | Sunrise:05:22 AM Sunset: 08:10 PM |
Moonrise:08:49 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
7.5 ° C (45.4°F) |
21.1 ° C (69.9°F) |
14 ° C (57.1°F) |
% 52 | 0% | 4 | Sunrise:05:21 AM Sunset: 08:11 PM |
Moonrise:10:08 AM Moonset: 12:40 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Moderate rain |
4.6 ° C (40.3°F) |
15.3 ° C (59.5°F) |
8.9 ° C (48°F) |
% 77 | 89% | 2 | Sunrise:05:20 AM Sunset: 08:12 PM |
Moonrise:11:25 AM Moonset: 01:12 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
7.8 ° C (46°F) |
9.2 ° C (48.5°F) |
8.5 ° C (47.3°F) |
% 91 | 79% | 2 | Sunrise:05:19 AM Sunset: 08:13 PM |
Moonrise:12:37 PM Moonset: 01:38 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
5.3 ° C (41.5°F) |
16.6 ° C (61.9°F) |
9.8 ° C (49.7°F) |
% 66 | 0% | 2 | Sunrise:05:18 AM Sunset: 08:14 PM |
Moonrise:01:46 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
3.4 ° C (38.2°F) |
21.8 ° C (71.3°F) |
12.9 ° C (55.2°F) |
% 61 | 0% | 4 | Sunrise:05:17 AM Sunset: 08:15 PM |
Moonrise:02:52 PM Moonset: 02:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
3.7 ° C (38.7°F) |
22 ° C (71.5°F) |
12.4 ° C (54.3°F) |
% 62 | 0% | 4 | Sunrise:05:17 AM Sunset: 08:16 PM |
Moonrise:03:57 PM Moonset: 02:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
3.5 ° C (38.3°F) |
21 ° C (69.9°F) |
11.7 ° C (53.1°F) |
% 77 | 0% | 3 | Sunrise:05:16 AM Sunset: 08:17 PM |
Moonrise:05:02 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday |  Cloudy |
6.5 ° C (43.7°F) |
19.8 ° C (67.6°F) |
12.5 ° C (54.6°F) |
% 65 | 0% | 3 | Sunrise:05:15 AM Sunset: 08:18 PM |
Moonrise:06:07 PM Moonset: 03:19 AM Moon Phase ( Waxing Gibbous ) |
|
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