Groton Weather Forecast 15 Days, Weather in Groton Today
Current weather conditions and 15 day weather forecast for Groton, 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 Groton
| 25 March 2026 Wednesday 4.7 ° C / 40.5°F  Sunny |
Feels Like : 2.6 ° C / 36.7°F Humidity : % 36 Pressure : 1022 mb Wind Speed : 5 kmph / 3.1 miles from SSE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Groton, NH, USA
Weather Forecast for next 15 Days for Groton 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 Groton, 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 March 2026 Wednesday | Sunny |
-2.3 ° C (27.9°F) |
8.1 ° C (46.6°F) |
1.7 ° C (35°F) |
% 54 | 0% | 0.8 | Sunrise:06:41 AM Sunset: 07:06 PM |
Moonrise:10:43 AM Moonset: 02:28 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Moderate rain |
-0.4 ° C (31.3°F) |
11.4 ° C (52.5°F) |
5.2 ° C (41.4°F) |
% 75 | 87% | 0.1 | Sunrise:06:39 AM Sunset: 07:07 PM |
Moonrise:11:55 AM Moonset: 03:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Moderate or heavy snow showers |
-6.7 ° C (19.9°F) |
2.5 ° C (36.4°F) |
0.8 ° C (33.5°F) |
% 72 | 86% | 1.3 | Sunrise:06:37 AM Sunset: 07:08 PM |
Moonrise:01:11 PM Moonset: 04:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Partly Cloudy |
-9.2 ° C (15.4°F) |
-4 ° C (24.8°F) |
-7 ° C (19.4°F) |
% 46 | 0% | 0.8 | Sunrise:06:36 AM Sunset: 07:09 PM |
Moonrise:02:27 PM Moonset: 04:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Partly Cloudy |
-7.9 ° C (17.7°F) |
2.5 ° C (36.6°F) |
-3 ° C (26.7°F) |
% 48 | 0% | 0 | Sunrise:06:34 AM Sunset: 07:11 PM |
Moonrise:03:41 PM Moonset: 05:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Partly Cloudy |
-1.7 ° C (29°F) |
3.8 ° C (38.9°F) |
0.6 ° C (33.2°F) |
% 72 | 0% | 2 | Sunrise:06:32 AM Sunset: 07:12 PM |
Moonrise:04:52 PM Moonset: 05:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Sunny |
-3.6 ° C (25.6°F) |
2.6 ° C (36.6°F) |
-0.5 ° C (31.1°F) |
% 60 | 0% | 2 | Sunrise:06:30 AM Sunset: 07:13 PM |
Moonrise:06:00 PM Moonset: 05:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Ice pellets |
-6.8 ° C (19.7°F) |
-3 ° C (26.7°F) |
-4.5 ° C (23.9°F) |
% 85 | 67% | 1 | Sunrise:06:28 AM Sunset: 07:14 PM |
Moonrise:07:08 PM Moonset: 06:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Patchy rain nearby |
-2.8 ° C (27°F) |
17 ° C (62.6°F) |
6.7 ° C (44°F) |
% 96 | 88% | 2 | Sunrise:06:27 AM Sunset: 07:16 PM |
Moonrise:08:15 PM Moonset: 06:23 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
3.2 ° C (37.8°F) |
12.1 ° C (53.8°F) |
8.8 ° C (47.9°F) |
% 98 | 68% | 2 | Sunrise:06:25 AM Sunset: 07:17 PM |
Moonrise:09:22 PM Moonset: 06:43 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday |  Heavy snow |
-3.7 ° C (25.4°F) |
0.5 ° C (32.9°F) |
-0.6 ° C (31°F) |
% 97 | 85% | 1 | Sunrise:06:23 AM Sunset: 07:18 PM |
Moonrise:10:29 PM Moonset: 07:06 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday |  Light snow showers |
-6.8 ° C (19.7°F) |
1 ° C (33.8°F) |
-2.9 ° C (26.9°F) |
% 88 | 0% | 1 | Sunrise:06:21 AM Sunset: 07:19 PM |
Moonrise:11:35 PM Moonset: 07:34 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Heavy snow |
-3.6 ° C (25.5°F) |
1 ° C (33.9°F) |
-1.1 ° C (30°F) |
% 98 | 70% | 1 | Sunrise:06:19 AM Sunset: 07:20 PM |
Moonrise:No moonrise Moonset: 08:07 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday |  Light freezing rain |
-8.3 ° C (17.1°F) |
-3.3 ° C (26°F) |
-4.4 ° C (24°F) |
% 86 | 61% | 1 | Sunrise:06:18 AM Sunset: 07:22 PM |
Moonrise:12:36 AM Moonset: 08:49 AM Moon Phase ( Waning Gibbous ) |
|
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