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

19°F

-7°C

Humidity 36%
Wind Speed W 17 G 29 mph
Barometer 30.34 in (1027.0 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 20 Jan 1:53 pm EST
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 21. West wind around 15 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 21. West wind around 15 mph.
Tonight
Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 26. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 17.
Saturday Night
A chance of snow. Cloudy, with a low around 9. Chance of precipitation is 50%.
Sunday
Snow likely. Cloudy, with a high near 19. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 30%.
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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:
1:52 pm EST Jan 20, 2026
Forecast Valid:
2pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation