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.

Mostly Cloudy

68°F

20°C

Humidity 63%
Wind Speed E 17 G 25 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Apr 3:53 pm EDT
Extended Forecast for

2 Miles SSW Lawrenceville NJ

  • This Afternoon

    This Afternoon: A slight chance of showers before 5pm. Mostly sunny, with a high near 79. East wind around 15 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 46. East wind 5 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 69. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Northwest wind 5 to 10 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 57. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 5pm. Mostly sunny, with a high near 79. East wind around 15 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 46. East wind 5 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 69. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 57. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 70.
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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:
4:11 pm EDT Apr 4, 2026
Forecast Valid:
4pm EDT Apr 4, 2026-6pm EDT Apr 11, 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