Williamstown Weather Forecast 15 Days, Weather in Williamstown Today
Current weather conditions and 15 day weather forecast for Williamstown, Massachusetts, 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 Williamstown
| 22 December 2025 Monday -2.2 ° C / 28°F  Sunny |
Feels Like : -7.8 ° C / 17.9°F Humidity : % 44 Pressure : 1030 mb Wind Speed : 18.7 kmph / 11.6 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Williamstown, MA, USA
Weather Forecast for next 15 Days for Williamstown 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 Williamstown, Massachusetts 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
-9.5 ° C (14.9°F) |
-1.6 ° C (29.1°F) |
-5.3 ° C (22.4°F) |
% 60 | 0% | 0.2 | Sunrise:07:21 AM Sunset: 04:22 PM |
Moonrise:09:32 AM Moonset: 06:45 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate snow |
-6.3 ° C (20.7°F) |
-0.5 ° C (31.1°F) |
-3.6 ° C (25.5°F) |
% 89 | 76% | 0.1 | Sunrise:07:21 AM Sunset: 04:23 PM |
Moonrise:10:01 AM Moonset: 07:53 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
-9.7 ° C (14.5°F) |
-0.5 ° C (31.1°F) |
-4.6 ° C (23.6°F) |
% 85 | 0% | 0.2 | Sunrise:07:21 AM Sunset: 04:24 PM |
Moonrise:10:26 AM Moonset: 09:02 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-4.2 ° C (24.5°F) |
2.2 ° C (35.9°F) |
-0.9 ° C (30.4°F) |
% 91 | 0% | 0.2 | Sunrise:07:22 AM Sunset: 04:24 PM |
Moonrise:10:47 AM Moonset: 10:10 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate rain |
-7.4 ° C (18.7°F) |
7.6 ° C (45.6°F) |
1.7 ° C (35°F) |
% 96 | 88% | 0 | Sunrise:07:22 AM Sunset: 04:25 PM |
Moonrise:11:08 AM Moonset: 11:20 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-13.5 ° C (7.7°F) |
-6.5 ° C (20.3°F) |
-10.1 ° C (13.8°F) |
% 61 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:26 PM |
Moonrise:11:28 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Heavy snow |
-9 ° C (15.8°F) |
0.7 ° C (33.3°F) |
-4.7 ° C (23.5°F) |
% 86 | 85% | 1 | Sunrise:07:23 AM Sunset: 04:26 PM |
Moonrise:11:50 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Partly Cloudy |
-6.2 ° C (20.9°F) |
-0.7 ° C (30.7°F) |
-4.1 ° C (24.7°F) |
% 88 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:27 PM |
Moonrise:12:15 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Overcast |
-6.5 ° C (20.3°F) |
-0.8 ° C (30.6°F) |
-4.1 ° C (24.7°F) |
% 82 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:28 PM |
Moonrise:12:46 PM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Light snow |
-3.5 ° C (25.6°F) |
0.3 ° C (32.5°F) |
-1.7 ° C (29°F) |
% 89 | 89% | 1 | Sunrise:07:23 AM Sunset: 04:29 PM |
Moonrise:01:27 PM Moonset: 04:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Freezing fog |
-7 ° C (19.5°F) |
2.8 ° C (37.1°F) |
-3.1 ° C (26.4°F) |
% 93 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:30 PM |
Moonrise:02:20 PM Moonset: 05:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Freezing fog |
-5.4 ° C (22.2°F) |
4.8 ° C (40.7°F) |
-1.2 ° C (29.8°F) |
% 93 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:30 PM |
Moonrise:03:27 PM Moonset: 06:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Mist |
-1.4 ° C (29.4°F) |
7.8 ° C (46.1°F) |
1.6 ° C (34.8°F) |
% 90 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:31 PM |
Moonrise:04:43 PM Moonset: 07:57 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Patchy rain nearby |
-0.8 ° C (30.5°F) |
5 ° C (40.9°F) |
1.8 ° C (35.3°F) |
% 96 | 80% | 1 | Sunrise:07:23 AM Sunset: 04:32 PM |
Moonrise:06:04 PM Moonset: 08:41 AM Moon Phase ( Waning Gibbous ) |
|
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