Groton New London Airport Weather Forecast 15 Days, Weather in GON Today
Current weather conditions and 15 day weather forecast for Groton New London Airport, 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 New London Airport
| 21 December 2025 Sunday 4.4 ° C / 39.9°F  Clear |
Feels Like : -0.5 ° C / 31.2°F Humidity : % 76 Pressure : 1017 mb Wind Speed : 27 kmph / 16.8 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Groton New London Airport, CT, USA
Weather Forecast for next 15 Days for Groton New London Airport 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 London Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 December 2025 Sunday | Sunny |
-1.2 ° C (29.9°F) |
7.9 ° C (46.2°F) |
2.9 ° C (37.2°F) |
% 69 | 0% | 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 |
-3.9 ° C (25°F) |
2.9 ° C (37.2°F) |
-0.4 ° C (31.3°F) |
% 51 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:23 PM |
Moonrise:09:23 AM Moonset: 06:45 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate rain |
0.3 ° C (32.5°F) |
4.1 ° C (39.4°F) |
1.8 ° C (35.2°F) |
% 86 | 87% | 0 | Sunrise:07:12 AM Sunset: 04:23 PM |
Moonrise:09:53 AM Moonset: 07:52 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Moderate or heavy snow showers |
-1.1 ° C (30.1°F) |
1.8 ° C (35.3°F) |
0.3 ° C (32.6°F) |
% 88 | 88% | 0.2 | Sunrise:07:13 AM Sunset: 04:24 PM |
Moonrise:10:19 AM Moonset: 09:00 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
0.1 ° C (32.2°F) |
4.6 ° C (40.3°F) |
2 ° C (35.6°F) |
% 88 | 72% | 0 | Sunrise:07:13 AM Sunset: 04:24 PM |
Moonrise:10:41 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
3.5 ° C (38.3°F) |
6.8 ° C (44.3°F) |
5.2 ° C (41.4°F) |
% 94 | 85% | 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 | Sunny |
-5.9 ° C (21.4°F) |
-2 ° C (28.3°F) |
-3.7 ° C (25.4°F) |
% 60 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:11:25 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-7 ° C (19.4°F) |
-1.6 ° C (29.1°F) |
-4.3 ° C (24.2°F) |
% 50 | 0% | 2 | 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 |
-2.8 ° C (27°F) |
3.2 ° C (37.7°F) |
0.5 ° C (32.9°F) |
% 60 | 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 | Moderate rain |
2.3 ° C (36.2°F) |
6.1 ° C (43°F) |
4.7 ° C (40.5°F) |
% 91 | 84% | 1 | 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 |
-0.7 ° C (30.7°F) |
5 ° C (41.1°F) |
1.9 ° C (35.4°F) |
% 82 | 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 |  Cloudy |
2.5 ° C (36.6°F) |
5.7 ° C (42.2°F) |
4.1 ° C (39.5°F) |
% 91 | 0% | 1 | Sunrise:07:15 AM Sunset: 04:30 PM |
Moonrise:02:21 PM Moonset: 05:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
2.9 ° C (37.2°F) |
5.3 ° C (41.6°F) |
4 ° C (39.2°F) |
% 86 | 0% | 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 | Cloudy |
1 ° C (33.8°F) |
4.7 ° C (40.4°F) |
3.1 ° C (37.6°F) |
% 78 | 0% | 1 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:04:44 PM Moonset: 07:47 AM Moon Phase ( Full Moon ) |
|
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