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.

Overcast

59°F

15°C

Humidity 51%
Wind Speed SE 12 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 29 Apr 5:53 pm EDT
Extended Forecast for

2 Miles SSW Lawrenceville NJ

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Low around 48. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Northwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. West wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then a chance of showers. Low around 48. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 42. Northwest wind around 5 mph.
Friday
Sunny, with a high near 63. West wind 5 to 10 mph.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 68.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lawrenceville NJ
 40.27°N 74.75°W (Elev. 95 ft)
Last Update:
4:08 pm EDT Apr 29, 2026
Forecast Valid:
6pm EDT Apr 29, 2026-6pm EDT May 6, 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