Hourly Weather Forecast - Plainsboro, NJ

12 AM
28°F
0%
1mph
W
Hazy
Humidity
91%
Feels like
28°F
Dew Point
26°F
1 AM
27°F
0%
0mph
WSW
Hazy
Humidity
92%
Feels like
27°F
Dew Point
25°F
2 AM
25°F
0%
0mph
W
Hazy
Humidity
94%
Feels like
25°F
Dew Point
24°F
3 AM
24°F
0%
0mph
NW
Hazy
Humidity
95%
Feels like
24°F
Dew Point
23°F
4 AM
23°F
0%
0mph
NNW
Hazy
Humidity
97%
Feels like
23°F
Dew Point
22°F
5 AM
21°F
0%
0mph
N
Foggy
Humidity
99%
Feels like
21°F
Dew Point
21°F
6 AM
22°F
0%
0mph
NNE
Hazy
Humidity
94%
Feels like
22°F
Dew Point
21°F
7 AM
25°F
0%
0mph
ENE
Clear
Humidity
87%
Feels like
25°F
Dew Point
21°F
7:15 AM
8 AM
28°F
0%
0mph
E
Sunny
Humidity
82%
Feels like
28°F
Dew Point
24°F
9 AM
31°F
0%
0mph
E
Sunny
Humidity
82%
Feels like
31°F
Dew Point
27°F
10 AM
35°F
0%
1mph
ESE
Mostly Sunny
Humidity
81%
Feels like
35°F
Dew Point
29°F
11 AM
37°F
0%
1mph
SE
Mostly Sunny
Humidity
79%
Feels like
37°F
Dew Point
32°F
12 PM
40°F
0%
1mph
SE
Mostly Sunny
Humidity
79%
Feels like
40°F
Dew Point
34°F
1 PM
41°F
0%
1mph
SE
Partly Cloudy
Humidity
80%
Feels like
41°F
Dew Point
35°F
2 PM
41°F
0%
2mph
SE
Partly Cloudy
Humidity
83%
Feels like
41°F
Dew Point
37°F
3 PM
41°F
0%
2mph
SE
Partly Cloudy
Humidity
87%
Feels like
41°F
Dew Point
37°F
4 PM
40°F
0%
2mph
SE
Mostly Cloudy
Humidity
91%
Feels like
40°F
Dew Point
37°F
4:33 PM
5 PM
39°F
0%
2mph
SE
Mostly Cloudy
Humidity
93%
Feels like
39°F
Dew Point
37°F
6 PM
39°F
0%
3mph
SE
Mostly Cloudy
Humidity
94%
Feels like
39°F
Dew Point
37°F
7 PM
39°F
10%
3mph
SE
Mostly Cloudy
Humidity
95%
Feels like
39°F
Dew Point
38°F
8 PM
39°F
20%
3mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
38°F
Dew Point
38°F
9 PM
40°F
30%
3mph
SSE
30% Chance of Light Rain
Humidity
97%
Feels like
38°F
Dew Point
39°F
10 PM
41°F
50%
4mph
S
50% Chance of Light Rain
Humidity
98%
Feels like
38°F
Dew Point
40°F
11 PM
43°F
60%
6mph
S
60% Chance of Light Rain
Humidity
98%
Feels like
39°F
Dew Point
42°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