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

66°F

19°C

Humidity 65%
Wind Speed SW 5 mph
Barometer 29.96 in (1013.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 1 Apr 6:53 am EDT
Extended Forecast for

2 Miles SE Lawrenceville NJ

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. High near 79. West wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 46. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly between 8am and 2pm. Cloudy, with a high near 50. East wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. High near 79. West wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 46. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly between 8am and 2pm. Cloudy, with a high near 50. East wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 42. East wind around 5 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 ft)
Last Update:
4:10 am EDT Apr 1, 2026
Forecast Valid:
7am EDT Apr 1, 2026-6pm EDT Apr 7, 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