Current weather conditions and 15 day weather forecast for Westport (CDP), 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.
| 15 December 2025 Monday -4.8 ° C / 23.4°F ![]() Sunny |
Feels Like : -11.2 ° C / 11.8°F Humidity : % 50 Pressure : 1023 mb Wind Speed : 19.4 kmph / 12.1 miles from NW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Sunny |
-9.6 ° C (14.7°F) |
-0.5 ° C (31.1°F) |
-5.2 ° C (22.7°F) |
% 59 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:26 PM |
Moonrise:03:09 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-4.5 ° C (23.9°F) |
1.6 ° C (34.9°F) |
-1.9 ° C (28.6°F) |
% 64 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:26 PM |
Moonrise:04:11 AM Moonset: 01:50 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Cloudy |
-1 ° C (30.2°F) |
6.3 ° C (43.3°F) |
2.2 ° C (35.9°F) |
% 71 | 0% | 0.3 | Sunrise:07:14 AM Sunset: 04:26 PM |
Moonrise:05:15 AM Moonset: 02:21 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
-2.3 ° C (27.9°F) |
3.8 ° C (38.8°F) |
1.9 ° C (35.4°F) |
% 68 | 74% | 0.2 | Sunrise:07:14 AM Sunset: 04:27 PM |
Moonrise:06:16 AM Moonset: 03:00 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
-1.1 ° C (29.9°F) |
11.2 ° C (52.2°F) |
7.4 ° C (45.3°F) |
% 85 | 84% | 0 | Sunrise:07:15 AM Sunset: 04:27 PM |
Moonrise:07:15 AM Moonset: 03:48 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-2.8 ° C (27°F) |
0.6 ° C (33°F) |
-0.4 ° C (31.2°F) |
% 56 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:28 PM |
Moonrise:08:06 AM Moonset: 04:43 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
2 ° C (35.6°F) |
5.4 ° C (41.8°F) |
4.3 ° C (39.7°F) |
% 84 | 89% | 1 | Sunrise:07:16 AM Sunset: 04:28 PM |
Moonrise:08:51 AM Moonset: 05:46 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-2.3 ° C (27.9°F) |
-0.5 ° C (31.2°F) |
-1.3 ° C (29.6°F) |
% 55 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:29 PM |
Moonrise:09:28 AM Moonset: 06:51 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-1.2 ° C (29.8°F) |
3.1 ° C (37.5°F) |
1.2 ° C (34.2°F) |
% 54 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:29 PM |
Moonrise:09:58 AM Moonset: 07:58 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
3.2 ° C (37.8°F) |
6.8 ° C (44.3°F) |
4.8 ° C (40.7°F) |
% 73 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:30 PM |
Moonrise:10:23 AM Moonset: 09:06 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
-6 ° C (21.1°F) |
-2.7 ° C (27.1°F) |
-3.6 ° C (25.4°F) |
% 48 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:30 PM |
Moonrise:10:47 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy snow |
-5.5 ° C (22.2°F) |
0.2 ° C (32.4°F) |
-2.4 ° C (27.7°F) |
% 71 | 81% | 1 | Sunrise:07:18 AM Sunset: 04:31 PM |
Moonrise:11:08 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-9.7 ° C (14.6°F) |
-5.5 ° C (22.2°F) |
-6.4 ° C (20.5°F) |
% 73 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:32 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-9.6 ° C (14.7°F) |
-3.3 ° C (26°F) |
-6.7 ° C (19.9°F) |
% 73 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:32 PM |
Moonrise:11:53 AM Moonset: 12:31 AM Moon Phase ( Waxing Gibbous ) |
|