Willimantic Weather Forecast 15 Days, Weather in Willimantic Today
Current weather conditions and 15 day weather forecast for Willimantic, 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 Willimantic
| 05 December 2025 Friday -10.6 ° C / 12.9°F  Clear |
Feels Like : -14.7 ° C / 5.6°F Humidity : % 50 Pressure : 1027 mb Wind Speed : 6.8 kmph / 4.3 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Willimantic, CT, USA
Weather Forecast for next 15 Days for Willimantic 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 Willimantic, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
-12.4 ° C (9.7°F) |
-0.6 ° C (30.9°F) |
-6.6 ° C (20.2°F) |
% 42 | 0% | 0.3 | Sunrise:07:01 AM Sunset: 04:18 PM |
Moonrise:04:43 PM Moonset: 08:06 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-3.2 ° C (26.2°F) |
0.4 ° C (32.7°F) |
-1.3 ° C (29.6°F) |
% 82 | 0% | 0.2 | Sunrise:07:02 AM Sunset: 04:18 PM |
Moonrise:05:56 PM Moonset: 09:12 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Cloudy |
-2 ° C (28.4°F) |
1.1 ° C (34°F) |
-0.4 ° C (31.3°F) |
% 73 | 0% | 0.3 | Sunrise:07:03 AM Sunset: 04:18 PM |
Moonrise:07:14 PM Moonset: 10:03 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Heavy snow |
-11.1 ° C (12.1°F) |
-0.8 ° C (30.6°F) |
-4.1 ° C (24.6°F) |
% 82 | 88% | 0.3 | Sunrise:07:04 AM Sunset: 04:18 PM |
Moonrise:08:30 PM Moonset: 10:41 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Partly Cloudy |
-11.3 ° C (11.7°F) |
-1.6 ° C (29.1°F) |
-8.2 ° C (17.3°F) |
% 67 | 0% | 0 | Sunrise:07:04 AM Sunset: 04:18 PM |
Moonrise:09:44 PM Moonset: 11:11 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Patchy rain nearby |
-0.1 ° C (31.7°F) |
8.3 ° C (46.9°F) |
4.5 ° C (40°F) |
% 86 | 82% | 1 | Sunrise:07:05 AM Sunset: 04:18 PM |
Moonrise:10:52 PM Moonset: 11:36 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Patchy rain nearby |
-4.4 ° C (24.1°F) |
5.8 ° C (42.4°F) |
2 ° C (35.6°F) |
% 86 | 88% | 1 | Sunrise:07:06 AM Sunset: 04:18 PM |
Moonrise:11:58 PM Moonset: 11:56 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Cloudy |
-5.3 ° C (22.5°F) |
0.5 ° C (32.9°F) |
-3 ° C (26.6°F) |
% 69 | 0% | 1 | Sunrise:07:07 AM Sunset: 04:18 PM |
Moonrise:No moonrise Moonset: 12:15 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
-4.5 ° C (23.9°F) |
1.2 ° C (34.1°F) |
-2.6 ° C (27.3°F) |
% 68 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:18 PM |
Moonrise:01:00 AM Moonset: 12:34 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-4.9 ° C (23.2°F) |
3.2 ° C (37.7°F) |
-0.7 ° C (30.7°F) |
% 63 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:18 PM |
Moonrise:02:02 AM Moonset: 12:54 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-4.2 ° C (24.4°F) |
1.1 ° C (33.9°F) |
-0.5 ° C (31°F) |
% 61 | 0% | 2 | Sunrise:07:09 AM Sunset: 04:19 PM |
Moonrise:03:05 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-5.8 ° C (21.6°F) |
-1.3 ° C (29.6°F) |
-4 ° C (24.9°F) |
% 55 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:19 PM |
Moonrise:04:08 AM Moonset: 01:43 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light freezing rain |
-4.7 ° C (23.6°F) |
1.3 ° C (34.4°F) |
-1.7 ° C (28.9°F) |
% 54 | 73% | 1 | Sunrise:07:11 AM Sunset: 04:19 PM |
Moonrise:05:12 AM Moonset: 02:14 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Heavy snow |
-2.8 ° C (26.9°F) |
0.6 ° C (33°F) |
-1.2 ° C (29.9°F) |
% 96 | 75% | 1 | Sunrise:07:11 AM Sunset: 04:20 PM |
Moonrise:06:14 AM Moonset: 02:53 PM Moon Phase ( Waning Crescent ) |
|
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