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

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 possible across southeastern PA, southern NJ, and the Delmarva. 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

35°F

2°C

Humidity 57%
Wind Speed SW 3 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 22 Jan 7:53 am EST
Extended Forecast for

Lawrenceville NJ

Winter Storm Watch January 25, 01:00am until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. Southwest wind 5 to 15 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Wind chill values as low as -4. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. Northwest wind 5 to 10 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Chance of precipitation is 80%.

    Low: 11 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Sunday

    Sunday: Snow. High near 23. Chance of precipitation is 100%.

    High: 23 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 19. Chance of precipitation is 70%.

    Low: 19 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Partly sunny, with a high near 26. Chance of precipitation is 40%.

    High: 26 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 24. West wind around 5 mph.
Friday
Partly sunny, with a high near 37. Southwest wind 5 to 15 mph.
Friday Night
Partly cloudy, with a low around 6. Wind chill values as low as -4. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 19. Northwest wind 5 to 10 mph.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Chance of precipitation is 80%.
Sunday
Snow. High near 23. Chance of precipitation is 100%.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 19. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 26. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:11 am EST Jan 22, 2026
Forecast Valid:
8am EST Jan 22, 2026-6pm EST Jan 28, 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