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

58°F

14°C

Humidity 41%
Wind Speed W 10 mph
Barometer 29.80 in (1008.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 8 Nov 3:53 pm EST
Extended Forecast for

Lawrenceville NJ

  • Tonight

    Tonight: Clear, with a low around 41. West wind around 5 mph.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37. West wind around 5 mph.

    Low: 37 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

Detailed Forecast

Tonight
Clear, with a low around 41. West wind around 5 mph.
Monday
Sunny, with a high near 59. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 36. West wind around 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 37. West wind around 5 mph.
Veterans Day
Sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Rain likely after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 36. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lawrenceville NJ
 40.31°N 74.74°W (Elev. 167 ft)
Last Update:
1:37 pm EST Nov 8, 2026
Forecast Valid:
4pm EST Nov 8, 2026-6pm EST Nov 15, 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