National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

41°F

5°C

Humidity 70%
Wind Speed NW 7 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 21 Feb 9:53 am EST
Extended Forecast for

Princeton Junction NJ

Winter Storm Warning February 22, 04:00am until February 23, 06:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Mostly sunny, with a high near 48. West wind around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 36. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Patchy blowing snow after 8pm. Low around 27. Blustery, with a north wind 15 to 25 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 27 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow before 2pm. High near 36. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 48. West wind around 5 mph.
Tonight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 36. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Patchy blowing snow after 8pm. Low around 27. Blustery, with a north wind 15 to 25 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow before 2pm. High near 36. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly sunny, with a high near 44. Chance of precipitation is 30%.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
Last Update:
4:15 am EST Feb 21, 2026
Forecast Valid:
10am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation