Current weather conditions and 15 day weather forecast for Groton Long Point, 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.
| 18 December 2025 Thursday 2.8 ° C / 37°F ![]() Clear |
Feels Like : -1.9 ° C / 28.6°F Humidity : % 67 Pressure : 1019 mb Wind Speed : 21.6 kmph / 13.4 miles from W ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday | Sunny |
-3.2 ° C (26.2°F) |
8.7 ° C (47.7°F) |
1.9 ° C (35.5°F) |
% 68 | 0% | 0.2 | Sunrise:07:09 AM Sunset: 04:20 PM |
Moonrise:05:10 AM Moonset: 02:15 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
-0.6 ° C (30.9°F) |
7.4 ° C (45.3°F) |
4.1 ° C (39.3°F) |
% 83 | 0% | 0.3 | Sunrise:07:10 AM Sunset: 04:21 PM |
Moonrise:06:12 AM Moonset: 02:54 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
1.9 ° C (35.3°F) |
11 ° C (51.8°F) |
8.6 ° C (47.5°F) |
% 88 | 85% | 0 | Sunrise:07:10 AM Sunset: 04:21 PM |
Moonrise:07:10 AM Moonset: 03:42 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-4 ° C (24.8°F) |
0 ° C (32°F) |
-0.8 ° C (30.6°F) |
% 58 | 0% | 0.3 | Sunrise:07:11 AM Sunset: 04:22 PM |
Moonrise:08:02 AM Moonset: 04:37 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
-2.2 ° C (28.1°F) |
5.8 ° C (42.5°F) |
3.8 ° C (38.9°F) |
% 65 | 81% | 0.3 | Sunrise:07:11 AM Sunset: 04:22 PM |
Moonrise:08:46 AM Moonset: 05:39 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-4.2 ° C (24.4°F) |
-0.1 ° C (31.8°F) |
-2.2 ° C (28°F) |
% 55 | 0% | 0 | Sunrise:07:12 AM Sunset: 04:23 PM |
Moonrise:09:23 AM Moonset: 06:45 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-6 ° C (21.1°F) |
-0.9 ° C (30.4°F) |
-3 ° C (26.5°F) |
% 46 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:23 PM |
Moonrise:09:53 AM Moonset: 07:52 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
-0.4 ° C (31.3°F) |
5 ° C (41°F) |
1.5 ° C (34.7°F) |
% 80 | 78% | 1 | Sunrise:07:13 AM Sunset: 04:24 PM |
Moonrise:10:19 AM Moonset: 09:00 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-2.3 ° C (27.9°F) |
3.6 ° C (38.5°F) |
0.3 ° C (32.6°F) |
% 68 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:24 PM |
Moonrise:10:41 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-3.6 ° C (25.5°F) |
0.4 ° C (32.6°F) |
-1.5 ° C (29.3°F) |
% 54 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:25 PM |
Moonrise:11:03 AM Moonset: 11:16 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
2.4 ° C (36.4°F) |
7.2 ° C (44.9°F) |
5.5 ° C (41.8°F) |
% 90 | 81% | 2 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:11:25 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light freezing rain |
-4.7 ° C (23.5°F) |
2.1 ° C (35.8°F) |
-0.3 ° C (31.5°F) |
% 66 | 89% | 1 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:11:48 AM Moonset: 12:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-6.8 ° C (19.8°F) |
-1 ° C (30.1°F) |
-4.2 ° C (24.5°F) |
% 48 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:27 PM |
Moonrise:12:14 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Light freezing rain |
-5.2 ° C (22.6°F) |
-0.1 ° C (31.9°F) |
-1.8 ° C (28.7°F) |
% 54 | 79% | 1 | Sunrise:07:14 AM Sunset: 04:28 PM |
Moonrise:12:46 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|