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.

Mostly Cloudy

43°F

6°C

Humidity 49%
Wind Speed Calm
Barometer 29.87 in (1011.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 26 Feb 5:53 pm EST
Extended Forecast for

3 Miles ENE Trenton NJ

  • Tonight

    Tonight: A slight chance of snow before 7pm. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, sunny, with a high near 52. Calm wind becoming southwest around 5 mph.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 7pm. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 45. Calm wind.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 28. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, sunny, with a high near 52. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
A chance of rain. Cloudy, with a low around 29. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Trenton NJ
 40.24°N 74.72°W (Elev. 46 ft)
Last Update:
4:11 pm EST Feb 26, 2026
Forecast Valid:
6pm EST Feb 26, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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