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

86°F

30°C

Humidity 43%
Wind Speed S 8 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Apr 1:53 pm EDT
Extended Forecast for

2 Miles E Lawrenceville NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Southwest wind 10 to 15 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 82. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. Southeast wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Southwest wind 10 to 15 mph.
Tonight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 66. West wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 82. Northwest wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 73. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Lawrenceville NJ
 40.3°N 74.68°W (Elev. 62 ft)
Last Update:
4:10 am EDT Apr 16, 2026
Forecast Valid:
2pm EDT Apr 16, 2026-6pm EDT Apr 22, 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