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

52°F

11°C

Humidity 45%
Wind Speed Vrbl 6 mph
Barometer 30.22 in (1022.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 May 8:53 am EDT
Extended Forecast for

3 Miles SE Lawrenceville NJ

  • Today

    Today: Sunny, with a high near 68. North wind around 5 mph becoming west in the afternoon.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind becoming south around 5 mph after midnight.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 74 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 68. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 68. North wind around 5 mph becoming west in the afternoon.
Tonight
Increasing clouds, with a low around 49. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 74. South wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 68. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Lawrenceville NJ
 40.28°N 74.68°W (Elev. 66 ft)
Last Update:
7:49 am EDT May 12, 2026
Forecast Valid:
9am EDT May 12, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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