Williamstown Weather Forecast 15 Days, Weather in Williamstown Today
Current weather conditions and 15 day weather forecast for Williamstown, New Jersey, 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
| 03 February 2026 Tuesday -9.7 ° C / 14.5°F  Partly cloudy |
Feels Like : -13.2 ° C / 8.2°F Humidity : % 73 Pressure : 1022 mb Wind Speed : 6.1 kmph / 3.8 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Williamstown, NJ, 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 Jersey 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 03 February 2026 Tuesday |  Sunny |
-12.6 ° C (9.3°F) |
2 ° C (35.6°F) |
-5.2 ° C (22.6°F) |
% 71 | 0% | 0.5 | Sunrise:07:06 AM Sunset: 05:23 PM |
Moonrise:07:35 PM Moonset: 08:08 AM Moon Phase ( Waning Gibbous ) |
|
| 04 February 2026 Wednesday |  Moderate or heavy snow showers |
-6.2 ° C (20.8°F) |
1 ° C (33.8°F) |
-1.5 ° C (29.3°F) |
% 80 | 64% | 0.5 | Sunrise:07:05 AM Sunset: 05:24 PM |
Moonrise:08:41 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 05 February 2026 Thursday | Sunny |
-9.8 ° C (14.4°F) |
-3.3 ° C (26.1°F) |
-5.9 ° C (21.4°F) |
% 76 | 0% | 0.4 | Sunrise:07:04 AM Sunset: 05:25 PM |
Moonrise:09:46 PM Moonset: 08:53 AM Moon Phase ( Waning Gibbous ) |
|
| 06 February 2026 Friday |  Patchy moderate snow |
-8.9 ° C (16°F) |
0.1 ° C (32.2°F) |
-3.9 ° C (25°F) |
% 77 | 66% | 0.4 | Sunrise:07:03 AM Sunset: 05:27 PM |
Moonrise:10:49 PM Moonset: 09:14 AM Moon Phase ( Waning Gibbous ) |
|
| 07 February 2026 Saturday | Partly Cloudy |
-14.3 ° C (6.2°F) |
-9.6 ° C (14.6°F) |
-10.3 ° C (13.5°F) |
% 62 | 0% | 0 | Sunrise:07:02 AM Sunset: 05:28 PM |
Moonrise:11:52 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
| 08 February 2026 Sunday |  Cloudy |
-14.6 ° C (5.7°F) |
-8.5 ° C (16.8°F) |
-11.9 ° C (10.6°F) |
% 65 | 0% | 1 | Sunrise:07:01 AM Sunset: 05:29 PM |
Moonrise:No moonrise Moonset: 10:02 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Partly Cloudy |
-12.9 ° C (8.8°F) |
-5.4 ° C (22.4°F) |
-8.9 ° C (15.9°F) |
% 64 | 0% | 2 | Sunrise:07:00 AM Sunset: 05:30 PM |
Moonrise:12:55 AM Moonset: 10:30 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Partly Cloudy |
-6.7 ° C (20°F) |
1 ° C (33.8°F) |
-3 ° C (26.5°F) |
% 79 | 0% | 2 | Sunrise:06:59 AM Sunset: 05:31 PM |
Moonrise:01:57 AM Moonset: 11:05 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Light freezing rain |
-3.5 ° C (25.6°F) |
1.9 ° C (35.5°F) |
-0.5 ° C (31.2°F) |
% 83 | 89% | 1 | Sunrise:06:58 AM Sunset: 05:32 PM |
Moonrise:02:58 AM Moonset: 11:47 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Patchy rain nearby |
1.7 ° C (35.1°F) |
6.7 ° C (44.1°F) |
4.2 ° C (39.5°F) |
% 98 | 82% | 1 | Sunrise:06:56 AM Sunset: 05:34 PM |
Moonrise:03:54 AM Moonset: 12:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Patchy rain nearby |
-0.1 ° C (31.8°F) |
4.9 ° C (40.9°F) |
2.2 ° C (35.9°F) |
% 87 | 88% | 1 | Sunrise:06:55 AM Sunset: 05:35 PM |
Moonrise:04:44 AM Moonset: 01:35 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Patchy rain nearby |
4.1 ° C (39.4°F) |
14.6 ° C (58.2°F) |
8.8 ° C (47.9°F) |
% 89 | 83% | 2 | Sunrise:06:54 AM Sunset: 05:36 PM |
Moonrise:05:27 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Patchy rain nearby |
1.4 ° C (34.5°F) |
4.7 ° C (40.5°F) |
3.4 ° C (38.1°F) |
% 74 | 86% | 1 | Sunrise:06:53 AM Sunset: 05:37 PM |
Moonrise:06:03 AM Moonset: 03:45 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Light freezing rain |
-1.1 ° C (30°F) |
3.7 ° C (38.6°F) |
0.7 ° C (33.3°F) |
% 65 | 77% | 1 | Sunrise:06:51 AM Sunset: 05:38 PM |
Moonrise:06:33 AM Moonset: 04:53 PM Moon Phase ( Waning Crescent ) |
|
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