Washington Weather Forecast 15 Days, Weather in Washington Today
Current weather conditions and 15 day weather forecast for Washington, 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 Washington
| 17 December 2025 Wednesday -2.8 ° C / 27°F  Clear |
Feels Like : -6.9 ° C / 19.6°F Humidity : % 50 Pressure : 1019 mb Wind Speed : 10.8 kmph / 6.7 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Washington, CT, USA
Weather Forecast for next 15 Days for Washington 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 Washington, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday | Sunny |
-3.1 ° C (26.4°F) |
4.3 ° C (39.7°F) |
0.1 ° C (32.2°F) |
% 72 | 0% | 0.3 | Sunrise:07:15 AM Sunset: 04:25 PM |
Moonrise:05:17 AM Moonset: 02:19 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Mist |
-8.2 ° C (17.2°F) |
3.8 ° C (38.8°F) |
-0.6 ° C (30.9°F) |
% 95 | 0% | 0.3 | Sunrise:07:16 AM Sunset: 04:25 PM |
Moonrise:06:18 AM Moonset: 02:59 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Heavy rain |
-0.6 ° C (31°F) |
11.9 ° C (53.4°F) |
8.4 ° C (47.1°F) |
% 90 | 88% | 0 | Sunrise:07:16 AM Sunset: 04:26 PM |
Moonrise:07:17 AM Moonset: 03:46 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
-4.3 ° C (24.3°F) |
1.2 ° C (34.2°F) |
-1.8 ° C (28.7°F) |
% 62 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:26 PM |
Moonrise:08:09 AM Moonset: 04:41 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Cloudy |
-3.4 ° C (25.8°F) |
5.8 ° C (42.4°F) |
1 ° C (33.8°F) |
% 64 | 0% | 0 | Sunrise:07:17 AM Sunset: 04:27 PM |
Moonrise:08:53 AM Moonset: 05:44 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-6.3 ° C (20.6°F) |
-1.8 ° C (28.7°F) |
-4.2 ° C (24.4°F) |
% 56 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:27 PM |
Moonrise:09:29 AM Moonset: 06:50 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Light freezing rain |
-8 ° C (17.7°F) |
-1.2 ° C (29.8°F) |
-4 ° C (24.8°F) |
% 57 | 64% | 1 | Sunrise:07:18 AM Sunset: 04:28 PM |
Moonrise:09:59 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-4.5 ° C (23.8°F) |
4.5 ° C (40.1°F) |
-0.8 ° C (30.5°F) |
% 74 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:28 PM |
Moonrise:10:25 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Heavy snow |
-3 ° C (26.6°F) |
1.2 ° C (34.1°F) |
-0.9 ° C (30.3°F) |
% 77 | 83% | 1 | Sunrise:07:19 AM Sunset: 04:29 PM |
Moonrise:10:47 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Mist |
-1.2 ° C (29.8°F) |
0.8 ° C (33.4°F) |
0.6 ° C (33.1°F) |
% 98 | 71% | 1 | Sunrise:07:20 AM Sunset: 04:30 PM |
Moonrise:11:09 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Patchy rain nearby |
-1.1 ° C (30°F) |
4.7 ° C (40.4°F) |
2 ° C (35.7°F) |
% 90 | 60% | 1 | Sunrise:07:20 AM Sunset: 04:30 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-1.7 ° C (28.9°F) |
5.9 ° C (42.6°F) |
2.6 ° C (36.7°F) |
% 84 | 87% | 1 | Sunrise:07:20 AM Sunset: 04:31 PM |
Moonrise:11:53 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Cloudy |
-5.4 ° C (22.3°F) |
-0.9 ° C (30.5°F) |
-3.7 ° C (25.4°F) |
% 62 | 0% | 1 | Sunrise:07:20 AM Sunset: 04:32 PM |
Moonrise:12:19 PM Moonset: 01:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Light freezing rain |
-5.9 ° C (21.3°F) |
-0.6 ° C (30.9°F) |
-2.9 ° C (26.8°F) |
% 64 | 70% | 1 | Sunrise:07:20 AM Sunset: 04:33 PM |
Moonrise:12:51 PM Moonset: 03:04 AM Moon Phase ( Waxing Gibbous ) |
|
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