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Light Wintry Mix through This Morning, then a Winter Storm Anticipated Sunday into Monday

Briefing on this morning's icing in the southern Poconos and NW NJ, as well as potential impacts from a winter storm Sunday into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed NE 9 mph
Barometer 29.60 in (1002.0 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill34°F (1°C)
Last update 20 Feb 1:53 pm EST
Extended Forecast for

Princeton Junction NJ

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

  • This Afternoon

    This Afternoon: A chance of rain before 3pm, then a chance of drizzle after 3pm. Areas of fog. Otherwise, cloudy, with a high near 44. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain
    and Areas Fog

  • Tonight

    Tonight: A chance of drizzle before 11pm. Areas of fog before 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 5 to 10 mph becoming west in the evening.

    Low: 34 °F

    Chance
    Drizzle and
    Areas Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 48. West wind 5 to 10 mph.

    High: 48 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 40. East wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 30. Chance of precipitation is 90%.

    Low: 30 °F

    Heavy Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of rain before 3pm, then a chance of drizzle after 3pm. Areas of fog. Otherwise, cloudy, with a high near 44. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of drizzle before 11pm. Areas of fog before 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 5 to 10 mph becoming west in the evening.
Saturday
Increasing clouds, with a high near 48. West wind 5 to 10 mph.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 40. East wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 30. Chance of precipitation is 90%.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 37. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
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:
2:05 pm EST Feb 20, 2026
Forecast Valid:
2pm EST Feb 20, 2026-6pm EST Feb 26, 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