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

28°F

-2°C

Humidity 43%
Wind Speed NE 7 mph
Barometer 30.66 in (1038.0 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Mar 10:53 am EST
Extended Forecast for

3 Miles ENE Trenton NJ

  • Today

    Today: Partly sunny, with a high near 35. Northeast wind around 5 mph becoming calm.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Calm wind.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow, possibly mixed with rain and freezing rain, becoming all rain after 10am. High near 43. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Wintry Mix
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 52. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Cloudy, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 35. Northeast wind around 5 mph becoming calm.
Tonight
Increasing clouds, with a low around 26. Calm wind.
Tuesday
Snow, possibly mixed with rain and freezing rain, becoming all rain after 10am. High near 43. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 40. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers. Mostly cloudy, with a high near 52. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Cloudy, with a high near 61. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Friday
Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Trenton NJ
 40.24°N 74.72°W (Elev. 46 ft)
Last Update:
4:09 am EST Mar 2, 2026
Forecast Valid:
11am EST Mar 2, 2026-6pm EDT Mar 8, 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