Hourly Weather Forecast - Plainsboro, NJ

12 AM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
71%
Feels like
23°F
Dew Point
15°F
1 AM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
73%
Feels like
23°F
Dew Point
16°F
2 AM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
74%
Feels like
23°F
Dew Point
16°F
3 AM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
76%
Feels like
23°F
Dew Point
16°F
4 AM
23°F
0%
2mph
SSW
Clear
Humidity
78%
Feels like
23°F
Dew Point
17°F
5 AM
23°F
0%
2mph
SSW
Mostly Clear
Humidity
80%
Feels like
23°F
Dew Point
18°F
6 AM
22°F
0%
3mph
SSW
Mostly Clear
Humidity
87%
Feels like
22°F
Dew Point
19°F
7 AM
23°F
0%
3mph
SSW
Mostly Clear
Humidity
89%
Feels like
19°F
Dew Point
20°F
7:15 AM
8 AM
25°F
0%
4mph
SW
Hazy
Humidity
92%
Feels like
20°F
Dew Point
23°F
9 AM
30°F
0%
5mph
SW
Partly Cloudy
Humidity
85%
Feels like
25°F
Dew Point
26°F
10 AM
34°F
0%
5mph
SW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
28°F
11 AM
37°F
0%
6mph
SW
Mostly Sunny
Humidity
76%
Feels like
32°F
Dew Point
30°F
12 PM
39°F
0%
6mph
SW
Mostly Sunny
Humidity
74%
Feels like
34°F
Dew Point
31°F
1 PM
40°F
0%
6mph
SW
Mostly Sunny
Humidity
73%
Feels like
36°F
Dew Point
32°F
2 PM
41°F
0%
6mph
SW
Mostly Cloudy
Humidity
74%
Feels like
37°F
Dew Point
33°F
3 PM
40°F
0%
6mph
SW
Mostly Cloudy
Humidity
76%
Feels like
36°F
Dew Point
33°F
4 PM
39°F
0%
5mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
36°F
Dew Point
33°F
4:33 PM
5 PM
38°F
0%
5mph
WSW
Partly Cloudy
Humidity
81%
Feels like
34°F
Dew Point
32°F
6 PM
36°F
0%
4mph
WSW
Mostly Clear
Humidity
83%
Feels like
33°F
Dew Point
31°F
7 PM
35°F
0%
4mph
W
Mostly Clear
Humidity
84%
Feels like
31°F
Dew Point
31°F
8 PM
33°F
0%
3mph
W
Mostly Clear
Humidity
86%
Feels like
30°F
Dew Point
30°F
9 PM
32°F
0%
3mph
W
Mostly Clear
Humidity
89%
Feels like
32°F
Dew Point
29°F
10 PM
31°F
0%
2mph
W
Mostly Clear
Humidity
90%
Feels like
31°F
Dew Point
28°F
11 PM
29°F
0%
1mph
W
Hazy
Humidity
91%
Feels like
29°F
Dew Point
27°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide