Niantic Weather Forecast 15 Days, Weather in Niantic Today
Current weather conditions and 15 day weather forecast for Niantic, 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 Niantic
| 19 December 2025 Friday 7.8 ° C / 46°F  Overcast |
Feels Like : 5.2 ° C / 41.4°F Humidity : % 82 Pressure : 1023 mb Wind Speed : 14.8 kmph / 9.2 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Niantic, CT, USA
Weather Forecast for next 15 Days for Niantic 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 Niantic, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Sunny |
0.3 ° C (32.5°F) |
10.6 ° C (51.1°F) |
4.1 ° C (39.4°F) |
% 78 | 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 |  Moderate rain |
-0.5 ° C (31°F) |
11.9 ° C (53.4°F) |
9 ° C (48.2°F) |
% 86 | 89% | 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 | Sunny |
-2.2 ° C (28°F) |
4.2 ° C (39.6°F) |
0.5 ° C (32.9°F) |
% 57 | 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 | Overcast |
-1.8 ° C (28.7°F) |
6.8 ° C (44.2°F) |
4.1 ° C (39.3°F) |
% 74 | 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 |
-4.6 ° C (23.8°F) |
-0.4 ° C (31.3°F) |
-2.5 ° C (27.4°F) |
% 50 | 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 snow |
-3.5 ° C (25.8°F) |
2 ° C (35.7°F) |
-0.5 ° C (31°F) |
% 64 | 73% | 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 | Sunny |
-3.8 ° C (25.1°F) |
0 ° C (32.1°F) |
-0.8 ° C (30.5°F) |
% 57 | 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 moderate snow |
-4.1 ° C (24.7°F) |
3.9 ° C (39.1°F) |
0.9 ° C (33.6°F) |
% 62 | 67% | 1 | 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 |
5.9 ° C (42.7°F) |
10.5 ° C (50.9°F) |
7.7 ° C (45.8°F) |
% 91 | 77% | 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 |  Partly Cloudy |
2.2 ° C (36°F) |
5.3 ° C (41.5°F) |
3.8 ° C (38.8°F) |
% 80 | 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 | Patchy rain nearby |
1.7 ° C (35°F) |
5.2 ° C (41.4°F) |
3.6 ° C (38.4°F) |
% 84 | 87% | 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 | Patchy rain nearby |
0.2 ° C (32.3°F) |
7 ° C (44.7°F) |
4.2 ° C (39.6°F) |
% 85 | 69% | 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 |
-1.8 ° C (28.8°F) |
3.6 ° C (38.5°F) |
0.2 ° C (32.3°F) |
% 59 | 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 | Sunny |
-1.8 ° C (28.7°F) |
3.3 ° C (38°F) |
0.6 ° C (33°F) |
% 61 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:29 PM |
Moonrise:01:28 PM Moonset: 04:18 AM Moon Phase ( Waxing Gibbous ) |
|
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