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 the Delmarva. View this briefing for details. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

33°F

1°C

Humidity 40%
Wind Speed Vrbl 5 mph
Barometer 30.18 in (1021.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 23 Jan 10:53 am EST
Extended Forecast for

Princeton Junction NJ

Winter Storm Watch January 25, 01:00am until January 26, 01:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory
  • Today

    Today: Partly sunny, with a high near 36. Breezy, with a west wind 15 to 20 mph.

    High: 36 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Wind chill values as low as -1. Northwest wind 5 to 15 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. Wind chill values as low as -4. Northwest wind 5 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow after 1am.  Low around 12. North wind around 5 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Cloudy then
    Snow

  • Sunday

    Sunday: Snow before 4pm, then snow, possibly mixed with freezing rain. The snow could be heavy at times.  High near 24. Northeast wind 10 to 15 mph.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow accumulation of 9 to 13 inches possible.

    High: 24 °F

    Heavy Snow
    then Wintry
    Mix

  • Sunday Night

    Sunday Night: Snow and freezing rain, becoming all snow after 4am.  Low around 23. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 23 °F

    Wintry Mix

  • Monday

    Monday: Snow likely, mainly before 1pm.  Mostly cloudy, with a high near 27. Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 36. Breezy, with a west wind 15 to 20 mph.
Tonight
Partly cloudy, with a low around 8. Wind chill values as low as -1. Northwest wind 5 to 15 mph.
Saturday
Partly sunny, with a high near 19. Wind chill values as low as -4. Northwest wind 5 to 10 mph.
Saturday Night
Snow after 1am. Low around 12. North wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow before 4pm, then snow, possibly mixed with freezing rain. The snow could be heavy at times. High near 24. Northeast wind 10 to 15 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 9 to 13 inches possible.
Sunday Night
Snow and freezing rain, becoming all snow after 4am. Low around 23. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
10:31 am EST Jan 23, 2026
11am EST Jan 23, 2026-6pm EST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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