Hourly Weather Forecast - Williamstown, NJ

7 PM
32°F
0%
5mph
S
Mostly Clear
Humidity
68%
Feels like
27°F
Dew Point
23°F
8 PM
32°F
0%
6mph
S
Mostly Clear
Humidity
72%
Feels like
26°F
Dew Point
24°F
9 PM
32°F
0%
7mph
S
Mostly Clear
Humidity
75%
Feels like
26°F
Dew Point
25°F
10 PM
33°F
0%
8mph
S
Clear
Humidity
77%
Feels like
26°F
Dew Point
27°F
11 PM
34°F
0%
9mph
SSW
Clear
Humidity
79%
Feels like
27°F
Dew Point
28°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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