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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

30°F

-1°C

Humidity 47%
Wind Speed NW 8 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Feb 7:53 pm EST
Extended Forecast for

Lawrenceville NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Northwest wind around 5 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Partly cloudy, with a low around 20. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Mostly Clear
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Sunny, with a high near 42. West wind around 5 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 35. Northwest wind around 5 mph.
Friday Night
A slight chance of snow showers after 1am. Partly cloudy, with a low around 20. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 42. West wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 22. Calm wind.
Sunday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Washington's Birthday
Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Cloudy, with a high near 52. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:19 pm EST Feb 12, 2026
Forecast Valid:
8pm EST Feb 12, 2026-6pm EST Feb 19, 2026
 
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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