Hourly Weather Forecast - Mercerville, NJ

12 AM
38°F
0%
5mph
W
Cloudy
Humidity
86%
Feels like
34°F
Dew Point
34°F
1 AM
38°F
0%
6mph
WNW
Cloudy
Humidity
84%
Feels like
33°F
Dew Point
33°F
2 AM
37°F
0%
6mph
WNW
Cloudy
Humidity
84%
Feels like
32°F
Dew Point
32°F
3 AM
36°F
0%
7mph
WNW
Cloudy
Humidity
84%
Feels like
30°F
Dew Point
31°F
4 AM
35°F
0%
7mph
WNW
Cloudy
Humidity
82%
Feels like
29°F
Dew Point
30°F
5 AM
35°F
0%
7mph
WNW
Cloudy
Humidity
82%
Feels like
28°F
Dew Point
29°F
6 AM
35°F
0%
7mph
WNW
Cloudy
Humidity
79%
Feels like
29°F
Dew Point
29°F
7 AM
36°F
0%
7mph
NW
Mostly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
29°F
7:19 AM
8 AM
38°F
0%
8mph
NW
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
29°F
9 AM
40°F
0%
9mph
NW
Partly Cloudy
Humidity
68%
Feels like
34°F
Dew Point
30°F
10 AM
42°F
0%
9mph
NW
Partly Cloudy
Humidity
63%
Feels like
36°F
Dew Point
30°F
11 AM
44°F
0%
9mph
NW
Partly Cloudy
Humidity
59%
Feels like
38°F
Dew Point
30°F
12 PM
45°F
0%
9mph
NNW
Partly Cloudy
Humidity
57%
Feels like
40°F
Dew Point
31°F
1 PM
45°F
0%
9mph
NNW
Partly Cloudy
Humidity
54%
Feels like
41°F
Dew Point
30°F
2 PM
44°F
0%
7mph
NNW
Partly Cloudy
Humidity
55%
Feels like
40°F
Dew Point
29°F
3 PM
42°F
0%
6mph
NNW
Partly Cloudy
Humidity
58%
Feels like
39°F
Dew Point
29°F
4 PM
39°F
0%
4mph
NW
Partly Cloudy
Humidity
62%
Feels like
36°F
Dew Point
28°F
4:37 PM
5 PM
36°F
0%
3mph
NW
Partly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
26°F
6 PM
34°F
0%
2mph
NNW
Partly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
26°F
7 PM
33°F
0%
1mph
NNW
Partly Cloudy
Humidity
76%
Feels like
33°F
Dew Point
26°F
8 PM
32°F
0%
1mph
NNW
Partly Cloudy
Humidity
80%
Feels like
32°F
Dew Point
26°F
9 PM
31°F
0%
0mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
27°F
10 PM
31°F
10%
0mph
NNW
Mostly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
28°F
11 PM
31°F
10%
0mph
WNW
Mostly Cloudy
Humidity
86%
Feels like
31°F
Dew Point
27°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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