Williamstown Weather Forecast 15 Days, Weather in Williamstown Today
Current weather conditions and 15 day weather forecast for Williamstown, New York, 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
| 05 December 2025 Friday -12.2 ° C / 10°F  Partly cloudy |
Feels Like : -18.1 ° C / -0.5°F Humidity : % 69 Pressure : 1023 mb Wind Speed : 10.4 kmph / 6.5 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Williamstown, NY, 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, New York 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 |
-17.6 ° C (0.3°F) |
-1.8 ° C (28.8°F) |
-10.7 ° C (12.7°F) |
% 62 | 0% | 0.2 | Sunrise:07:20 AM Sunset: 04:27 PM |
Moonrise:04:50 PM Moonset: 08:29 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Moderate or heavy snow showers |
-9.2 ° C (15.4°F) |
-0.1 ° C (31.8°F) |
-4.4 ° C (24.1°F) |
% 87 | 88% | 0.2 | Sunrise:07:21 AM Sunset: 04:27 PM |
Moonrise:06:03 PM Moonset: 09:34 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Patchy moderate snow |
-6.9 ° C (19.6°F) |
-2.2 ° C (28°F) |
-3 ° C (26.6°F) |
% 75 | 89% | 0.2 | Sunrise:07:22 AM Sunset: 04:27 PM |
Moonrise:07:23 PM Moonset: 10:24 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Patchy moderate snow |
-18.8 ° C (-1.8°F) |
-7.8 ° C (18°F) |
-11.9 ° C (10.7°F) |
% 86 | 68% | 0.2 | Sunrise:07:23 AM Sunset: 04:27 PM |
Moonrise:08:41 PM Moonset: 11:01 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Freezing fog |
-19.1 ° C (-2.4°F) |
-3.1 ° C (26.4°F) |
-12.4 ° C (9.7°F) |
% 92 | 66% | 0 | Sunrise:07:24 AM Sunset: 04:27 PM |
Moonrise:09:56 PM Moonset: 11:29 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Patchy rain nearby |
-1.8 ° C (28.7°F) |
3.3 ° C (38°F) |
1.3 ° C (34.3°F) |
% 94 | 78% | 1 | Sunrise:07:25 AM Sunset: 04:27 PM |
Moonrise:11:06 PM Moonset: 11:52 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Heavy snow |
-4 ° C (24.7°F) |
1.1 ° C (34°F) |
-0.1 ° C (31.8°F) |
% 93 | 86% | 1 | Sunrise:07:26 AM Sunset: 04:27 PM |
Moonrise:No moonrise Moonset: 12:11 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Moderate or heavy snow showers |
-5.5 ° C (22°F) |
-0.8 ° C (30.5°F) |
-3.4 ° C (25.9°F) |
% 82 | 76% | 1 | Sunrise:07:27 AM Sunset: 04:27 PM |
Moonrise:12:12 AM Moonset: 12:29 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Blizzard |
-4.4 ° C (24°F) |
-0.7 ° C (30.7°F) |
-2.8 ° C (27°F) |
% 80 | 61% | 1 | Sunrise:07:27 AM Sunset: 04:27 PM |
Moonrise:01:16 AM Moonset: 12:47 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Partly Cloudy |
-9.8 ° C (14.4°F) |
-2.1 ° C (28.3°F) |
-5 ° C (23°F) |
% 83 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:27 PM |
Moonrise:02:19 AM Moonset: 01:06 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Light freezing rain |
-11.5 ° C (11.4°F) |
-2.2 ° C (28°F) |
-6.2 ° C (20.8°F) |
% 87 | 72% | 1 | Sunrise:07:29 AM Sunset: 04:28 PM |
Moonrise:03:24 AM Moonset: 01:27 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Fog |
-0.6 ° C (30.9°F) |
2.1 ° C (35.8°F) |
0.8 ° C (33.5°F) |
% 99 | 76% | 1 | Sunrise:07:30 AM Sunset: 04:28 PM |
Moonrise:04:28 AM Moonset: 01:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light drizzle |
0.2 ° C (32.3°F) |
1.2 ° C (34.1°F) |
0.6 ° C (33.2°F) |
% 100 | 72% | 1 | Sunrise:07:30 AM Sunset: 04:28 PM |
Moonrise:05:33 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
0.9 ° C (33.6°F) |
3.7 ° C (38.6°F) |
2.4 ° C (36.4°F) |
% 98 | 87% | 1 | Sunrise:07:31 AM Sunset: 04:29 PM |
Moonrise:06:36 AM Moonset: 03:00 PM Moon Phase ( Waning Crescent ) |
|
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