Hourly Weather Forecast - Williamstown, NJ

12 AM
41°F
10%
8mph
WNW
Mostly Cloudy
Humidity
86%
Feels like
36°F
Dew Point
37°F
1 AM
40°F
0%
9mph
WNW
Mostly Cloudy
Humidity
86%
Feels like
34°F
Dew Point
36°F
2 AM
39°F
0%
9mph
WNW
Mostly Cloudy
Humidity
85%
Feels like
33°F
Dew Point
35°F
3 AM
38°F
0%
9mph
WNW
Partly Cloudy
Humidity
84%
Feels like
32°F
Dew Point
34°F
4 AM
37°F
0%
9mph
WNW
Partly Cloudy
Humidity
82%
Feels like
31°F
Dew Point
32°F
5 AM
36°F
0%
9mph
NW
Partly Cloudy
Humidity
81%
Feels like
29°F
Dew Point
31°F
6 AM
35°F
0%
9mph
NW
Partly Cloudy
Humidity
81%
Feels like
28°F
Dew Point
30°F
7 AM
36°F
0%
9mph
NW
Partly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
29°F
7:18 AM
8 AM
38°F
0%
9mph
NW
Partly Cloudy
Humidity
71%
Feels like
31°F
Dew Point
30°F
9 AM
40°F
0%
9mph
NW
Mostly Sunny
Humidity
66%
Feels like
34°F
Dew Point
30°F
10 AM
42°F
0%
9mph
NNW
Mostly Sunny
Humidity
62%
Feels like
36°F
Dew Point
30°F
11 AM
43°F
0%
9mph
NNW
Mostly Sunny
Humidity
59%
Feels like
38°F
Dew Point
30°F
12 PM
44°F
0%
9mph
NNW
Mostly Sunny
Humidity
56%
Feels like
39°F
Dew Point
30°F
1 PM
45°F
0%
8mph
NNW
Partly Cloudy
Humidity
54%
Feels like
40°F
Dew Point
29°F
2 PM
44°F
0%
7mph
NNW
Mostly Sunny
Humidity
54%
Feels like
40°F
Dew Point
29°F
3 PM
43°F
0%
6mph
NNW
Mostly Sunny
Humidity
55%
Feels like
39°F
Dew Point
28°F
4 PM
41°F
0%
5mph
NNW
Sunny
Humidity
59%
Feels like
38°F
Dew Point
28°F
4:40 PM
5 PM
38°F
0%
4mph
NNW
Clear
Humidity
63%
Feels like
36°F
Dew Point
27°F
6 PM
36°F
0%
3mph
N
Clear
Humidity
68%
Feels like
36°F
Dew Point
26°F
7 PM
34°F
0%
2mph
N
Clear
Humidity
72%
Feels like
34°F
Dew Point
26°F
8 PM
33°F
0%
1mph
NNE
Clear
Humidity
75%
Feels like
33°F
Dew Point
26°F
9 PM
32°F
0%
0mph
ENE
Mostly Clear
Humidity
77%
Feels like
32°F
Dew Point
25°F
10 PM
31°F
0%
1mph
SSE
Partly Cloudy
Humidity
78%
Feels like
31°F
Dew Point
25°F
11 PM
31°F
0%
1mph
SSE
Partly Cloudy
Humidity
79%
Feels like
31°F
Dew Point
25°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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