Williamstown (CDP) Weather Forecast 15 Days, Weather in Williamstown (CDP) Today
Current weather conditions and 15 day weather forecast for Williamstown (CDP), 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 (CDP)
| 19 March 2026 Thursday 1.1 ° C / 34°F  Overcast |
Feels Like : -3.7 ° C / 25.4°F Humidity : % 54 Pressure : 1021 mb Wind Speed : 18.7 kmph / 11.6 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Williamstown (CDP), MA, USA
Weather Forecast for next 15 Days for Williamstown (CDP) 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 (CDP), 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 March 2026 Thursday |  Light freezing rain |
-4.4 ° C (24.1°F) |
3.7 ° C (38.7°F) |
0.2 ° C (32.3°F) |
% 63 | 82% | 0.8 | Sunrise:06:58 AM Sunset: 07:04 PM |
Moonrise:07:03 AM Moonset: 08:08 PM Moon Phase ( New Moon ) |
|
| 20 March 2026 Friday |  Moderate rain |
-5.3 ° C (22.5°F) |
6.6 ° C (43.9°F) |
1.2 ° C (34.2°F) |
% 82 | 84% | 0.8 | Sunrise:06:56 AM Sunset: 07:05 PM |
Moonrise:07:26 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
|
| 21 March 2026 Saturday |  Heavy rain |
-3.8 ° C (25.2°F) |
2.1 ° C (35.8°F) |
1.7 ° C (35.1°F) |
% 94 | 83% | 0.4 | Sunrise:06:54 AM Sunset: 07:06 PM |
Moonrise:07:52 AM Moonset: 10:44 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday |  Moderate or heavy snow showers |
-4.5 ° C (23.9°F) |
5.8 ° C (42.5°F) |
0.5 ° C (32.9°F) |
% 90 | 87% | 0.2 | Sunrise:06:52 AM Sunset: 07:07 PM |
Moonrise:08:22 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday | Heavy rain |
-4.4 ° C (24.1°F) |
4.2 ° C (39.6°F) |
1.1 ° C (33.9°F) |
% 89 | 87% | 0 | Sunrise:06:50 AM Sunset: 07:09 PM |
Moonrise:09:02 AM Moonset: 12:05 AM Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday |  Partly Cloudy |
-6.1 ° C (21°F) |
1.7 ° C (35.1°F) |
-3.9 ° C (25.1°F) |
% 65 | 0% | 2 | Sunrise:06:49 AM Sunset: 07:10 PM |
Moonrise:09:52 AM Moonset: 01:22 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday |  Patchy rain nearby |
-5.1 ° C (22.8°F) |
7.7 ° C (45.8°F) |
0.6 ° C (33.1°F) |
% 63 | 0% | 1 | Sunrise:06:47 AM Sunset: 07:11 PM |
Moonrise:10:54 AM Moonset: 02:29 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Patchy rain nearby |
-5.7 ° C (21.7°F) |
4.7 ° C (40.4°F) |
2 ° C (35.6°F) |
% 88 | 83% | 1 | Sunrise:06:45 AM Sunset: 07:12 PM |
Moonrise:12:05 PM Moonset: 03:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Moderate or heavy snow showers |
-7.4 ° C (18.6°F) |
2.2 ° C (35.9°F) |
0.9 ° C (33.6°F) |
% 85 | 85% | 1 | Sunrise:06:43 AM Sunset: 07:13 PM |
Moonrise:01:21 PM Moonset: 04:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Light freezing rain |
-8.8 ° C (16.2°F) |
0.5 ° C (32.9°F) |
-3.2 ° C (26.2°F) |
% 65 | 66% | 1 | Sunrise:06:42 AM Sunset: 07:14 PM |
Moonrise:02:35 PM Moonset: 04:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Heavy snow |
-5.9 ° C (21.3°F) |
3.3 ° C (37.9°F) |
-1.9 ° C (28.7°F) |
% 77 | 78% | 1 | Sunrise:06:40 AM Sunset: 07:16 PM |
Moonrise:03:49 PM Moonset: 05:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Partly Cloudy |
-4.1 ° C (24.6°F) |
11 ° C (51.9°F) |
3.9 ° C (39°F) |
% 75 | 0% | 2 | Sunrise:06:38 AM Sunset: 07:17 PM |
Moonrise:04:58 PM Moonset: 05:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Sunny |
2.5 ° C (36.6°F) |
19.5 ° C (67.1°F) |
11.1 ° C (52°F) |
% 77 | 0% | 4 | Sunrise:06:36 AM Sunset: 07:18 PM |
Moonrise:06:06 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Moderate rain |
2.1 ° C (35.8°F) |
14.3 ° C (57.8°F) |
10.8 ° C (51.4°F) |
% 92 | 87% | 3 | Sunrise:06:35 AM Sunset: 07:19 PM |
Moonrise:07:13 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
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