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.

Mostly Cloudy

32°F

0°C

Humidity 75%
Wind Speed Calm
Barometer 30.20 in (1022.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Dec 2:53 am EST
Extended Forecast for

2 Miles E Lawrenceville NJ

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

  • Overnight

    Overnight: Cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Cloudy

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 46. Southwest wind 5 to 15 mph becoming northwest in the afternoon.

    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 29. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 29 °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 after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 25 °F

    Heavy Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely

  • Saturday Night

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

    Low: 22 °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

Overnight
Cloudy, with a low around 26. Calm wind.
Christmas Day
Mostly cloudy, with a high near 46. Southwest wind 5 to 15 mph becoming northwest in the afternoon.
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 29. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
Snow. The snow could be heavy at times. Low around 25. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow likely, mainly before 1pm. Cloudy, with a high near 34. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 22.
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 43. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 21.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Lawrenceville NJ
 40.3°N 74.68°W (Elev. 62 ft)
Last Update:
4:11 pm EST Dec 24, 2025
Forecast Valid:
3am EST Dec 25, 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