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.

Light Snow Fog/Mist

29°F

-2°C

Humidity 96%
Wind Speed NW 7 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 28°F (-2°C)
Visibility 1.00 mi
Wind Chill22°F (-6°C)
Last update 18 Jan 7:53 pm EST
Extended Forecast for

3 Miles SE Sergeantsville NJ

  • Tonight

    Tonight: A chance of snow, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 16. West wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

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

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 16. West wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than one inch possible.
M.L.King Day
Mostly sunny, with a high near 33. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 10. Wind chill values as low as zero. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 21. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 5. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
A chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 21. Chance of precipitation is 40%.
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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:
8:03 pm EST Jan 18, 2026
Forecast Valid:
8pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation