National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

27°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 19 Jan 5:53 pm EST
Extended Forecast for

3 Miles SE Sergeantsville NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. West wind 10 to 15 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3. West wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 20. 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 3. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 32. Light southwest wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 25. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 17. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 21.
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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:
4:10 pm EST Jan 19, 2026
Forecast Valid:
6pm EST Jan 19, 2026-6pm EST Jan 26, 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