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

42°F

6°C

Humidity 43%
Wind Speed Calm
Barometer 30.35 in (1027.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 8:53 pm EDT
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • Tonight

    Tonight: Cloudy, then becoming partly cloudy toward daybreak, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 41. South wind around 5 mph.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 49. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then becoming partly cloudy toward daybreak, with a low around 32. Calm wind.
Wednesday
Partly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 41. South wind around 5 mph.
Thursday
Partly sunny, with a high near 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after 2am. Low around 49. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 8am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sergeantsville NJ
 40.42°N 74.92°W (Elev. 200 ft)
Last Update:
4:09 pm EDT Mar 24, 2026
Forecast Valid:
9pm EDT Mar 24, 2026-6pm EDT Mar 31, 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