Hourly Weather Forecast - Mercerville, NJ

2 AM
32°F
0%
5mph
SSW
Partly Cloudy
Humidity
83%
Feels like
27°F
Dew Point
28°F
3 AM
33°F
0%
5mph
SW
Mostly Clear
Humidity
84%
Feels like
28°F
Dew Point
28°F
4 AM
33°F
0%
5mph
SW
Mostly Clear
Humidity
85%
Feels like
28°F
Dew Point
29°F
5 AM
33°F
0%
4mph
SW
Mostly Clear
Humidity
86%
Feels like
29°F
Dew Point
29°F
6 AM
33°F
0%
4mph
WSW
Mostly Clear
Humidity
85%
Feels like
29°F
Dew Point
29°F
7 AM
34°F
0%
4mph
WSW
Mostly Clear
Humidity
82%
Feels like
30°F
Dew Point
29°F
7:17 AM
8 AM
36°F
0%
5mph
WSW
Mostly Sunny
Humidity
79%
Feels like
32°F
Dew Point
30°F
9 AM
38°F
0%
6mph
W
Mostly Sunny
Humidity
72%
Feels like
34°F
Dew Point
30°F
10 AM
41°F
0%
7mph
W
Mostly Sunny
Humidity
64%
Feels like
37°F
Dew Point
30°F
11 AM
43°F
0%
8mph
W
Mostly Sunny
Humidity
58%
Feels like
38°F
Dew Point
29°F
12 PM
44°F
0%
10mph
WNW
Mostly Sunny
Humidity
55%
Feels like
38°F
Dew Point
28°F
1 PM
44°F
0%
11mph
WNW
Mostly Sunny
Humidity
51%
Feels like
38°F
Dew Point
26°F
2 PM
42°F
0%
11mph
WNW
Mostly Sunny
Humidity
49%
Feels like
36°F
Dew Point
25°F
3 PM
40°F
0%
10mph
WNW
Mostly Sunny
Humidity
49%
Feels like
33°F
Dew Point
22°F
4 PM
37°F
0%
9mph
WNW
Mostly Sunny
Humidity
50%
Feels like
30°F
Dew Point
20°F
4:35 PM
5 PM
34°F
0%
8mph
WNW
Mostly Clear
Humidity
52%
Feels like
27°F
Dew Point
18°F
6 PM
32°F
0%
7mph
NW
Clear
Humidity
52%
Feels like
26°F
Dew Point
17°F
7 PM
31°F
0%
6mph
NW
Clear
Humidity
52%
Feels like
25°F
Dew Point
15°F
8 PM
30°F
0%
6mph
NW
Clear
Humidity
53%
Feels like
24°F
Dew Point
15°F
9 PM
29°F
0%
5mph
NW
Clear
Humidity
54%
Feels like
23°F
Dew Point
15°F
10 PM
28°F
0%
5mph
WNW
Clear
Humidity
56%
Feels like
22°F
Dew Point
14°F
11 PM
27°F
0%
5mph
WNW
Clear
Humidity
57%
Feels like
21°F
Dew Point
14°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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