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

Wintry precipitation expected Friday afternoon into Saturday morning

A storm system will bring accumulating snow, sleet, and freezing rain that can lead to holiday travel disruptions. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

34°F

1°C

Humidity 67%
Wind Speed Calm
Barometer 30.29 in (1025.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 24 Dec 9:53 pm EST
Extended Forecast for

2 Miles SE Lawrenceville NJ

Winter Storm Watch December 26, 01:00pm until December 27, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 46. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely after 1pm. Mostly cloudy, with a high near 30. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Mostly Cloudy
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 25. Calm wind becoming east around 5 mph in the evening. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 25 °F

    Heavy Snow

  • Saturday

    Saturday: Snow likely, possibly mixed with rain before 1pm, then a chance of snow. Cloudy, with a high near 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 34 °F

    Rain/Snow
    Likely

  • Saturday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 31. Chance of precipitation is 90%.

    Low: 31 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm.
Christmas Day
Mostly cloudy, with a high near 46. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 20. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Snow likely after 1pm. Mostly cloudy, with a high near 30. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow. The snow could be heavy at times. Low around 25. Calm wind becoming east around 5 mph in the evening. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow likely, possibly mixed with rain before 1pm, then a chance of snow. Cloudy, with a high near 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
Rain. Low around 31. Chance of precipitation is 90%.
Monday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 35.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:11 pm EST Dec 24, 2025
Forecast Valid:
10pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
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