A major winter storm is expected to impact the area late this weekend.

A major winter storm is expected to begin impacting the area Saturday night, continuing through early Monday afternoon. Significant snow accumulations are possible areawide. Some mixed precipitation is expected across the I-95 corridor southward into Delmarva. View this briefing for details. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Unknown Precip Fog/Mist

19°F

-7°C

Humidity 92%
Wind Speed N 8 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 17°F (-8°C)
Visibility 6.00 mi
Wind Chill9°F (-13°C)
Last update 25 Jan 10:53 pm EST
Extended Forecast for

Princeton Junction NJ

Winter Storm Warning January 25, 11:29pm until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 25, 11:29pm until January 26, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Tonight

    Low: 22 °F

    Chance Wintry
    Mix

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 29. West wind 5 to 15 mph.

    High: 29 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Wind chill values as low as -4. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. Wind chill values as low as -5. West wind 5 to 10 mph.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 5. West wind around 5 mph.

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Tonight
A chance of freezing rain before 4am, then a slight chance of snow and freezing rain. Cloudy, with a low around 22. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 29. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 7. Wind chill values as low as -4. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 20. Wind chill values as low as -5. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 5. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 20.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 17.
Friday Night
Mostly clear, with a low around 4.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
6:46 pm EST Jan 25, 2026
11pm EST Jan 25, 2026-6pm EST Feb 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database