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.

Overcast

39°F

4°C

Humidity 50%
Wind Speed S 6 mph
Barometer 30.27 in (1024.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Mar 12:53 pm EDT
Extended Forecast for

3 Miles ENE Trenton NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 51. South wind around 5 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly before 2am. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Mostly sunny, with a high near 64. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 51. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 33. South wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 8am. Mostly sunny, with a high near 64. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
Rain likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 53.
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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:
7:34 am EDT Mar 19, 2026
Forecast Valid:
1pm EDT Mar 19, 2026-6pm EDT Mar 25, 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