Groton (Town) Weather Forecast 15 Days, Weather in Groton (Town) Today
Current weather conditions and 15 day weather forecast for Groton (Town), Connecticut, 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 (Town)
| 28 December 2025 Sunday -9.4 ° C / 15.1°F  Clear |
Feels Like : -13.7 ° C / 7.3°F Humidity : % 91 Pressure : 1023 mb Wind Speed : 7.9 kmph / 4.9 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Groton (Town), CT, USA
Weather Forecast for next 15 Days for Groton (Town) 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 (Town), Connecticut 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 December 2025 Saturday |  Light freezing rain |
-8.6 ° C (16.5°F) |
-2.1 ° C (28.2°F) |
-5.3 ° C (22.5°F) |
% 82 | 71% | 0.3 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:11:25 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate or heavy snow showers |
-10.7 ° C (12.7°F) |
2.7 ° C (36.9°F) |
-3.2 ° C (26.3°F) |
% 66 | 84% | 0.3 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:11:48 AM Moonset: 12:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Heavy rain |
2.2 ° C (35.9°F) |
8.9 ° C (48°F) |
6.3 ° C (43.3°F) |
% 93 | 80% | 0.1 | Sunrise:07:14 AM Sunset: 04:27 PM |
Moonrise:12:14 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-3.2 ° C (26.2°F) |
0.5 ° C (32.9°F) |
-1.5 ° C (29.2°F) |
% 64 | 0% | 0.2 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:12:46 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Partly Cloudy |
-3.1 ° C (26.4°F) |
0.7 ° C (33.3°F) |
-0.8 ° C (30.6°F) |
% 65 | 0% | 0.2 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:01:28 PM Moonset: 04:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Moderate or heavy snow showers |
-1.1 ° C (30.1°F) |
0.6 ° C (33.2°F) |
0 ° C (32.1°F) |
% 78 | 79% | 0 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:02:21 PM Moonset: 05:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Moderate or heavy snow showers |
-6.3 ° C (20.7°F) |
-1.2 ° C (29.8°F) |
-2.6 ° C (27.4°F) |
% 80 | 60% | 1 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:03:29 PM Moonset: 06:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-7.8 ° C (18°F) |
-2.4 ° C (27.7°F) |
-5.1 ° C (22.8°F) |
% 71 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:04:44 PM Moonset: 07:47 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Patchy rain nearby |
-2.6 ° C (27.3°F) |
5.6 ° C (42°F) |
1.8 ° C (35.2°F) |
% 89 | 60% | 1 | Sunrise:07:15 AM Sunset: 04:32 PM |
Moonrise:06:04 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Partly Cloudy |
-2.2 ° C (28.1°F) |
2.2 ° C (36°F) |
-0.2 ° C (31.7°F) |
% 83 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:33 PM |
Moonrise:07:21 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
-6 ° C (21.2°F) |
-2.9 ° C (26.8°F) |
-4.2 ° C (24.4°F) |
% 72 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:34 PM |
Moonrise:08:33 PM Moonset: 09:34 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Partly Cloudy |
-5 ° C (23°F) |
4.6 ° C (40.3°F) |
1.4 ° C (34.5°F) |
% 80 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:35 PM |
Moonrise:09:42 PM Moonset: 09:57 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday |  Moderate rain |
6.1 ° C (43°F) |
9.1 ° C (48.4°F) |
8.2 ° C (46.7°F) |
% 94 | 89% | 2 | Sunrise:07:14 AM Sunset: 04:36 PM |
Moonrise:10:47 PM Moonset: 10:18 AM Moon Phase ( Waning Gibbous ) |
|
| 09 January 2026 Friday | Moderate rain |
8 ° C (46.5°F) |
8.6 ° C (47.5°F) |
8.5 ° C (47.4°F) |
% 99 | 85% | 2 | Sunrise:07:14 AM Sunset: 04:37 PM |
Moonrise:11:51 PM Moonset: 10:37 AM Moon Phase ( Waning Gibbous ) |
|
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