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

25°F

-4°C

Humidity 53%
Wind Speed Calm
Barometer 29.89 in (1011.8 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 3 Jan 12:53 am EST
Extended Forecast for

3 Miles ENE Trenton NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32. Calm wind becoming west around 5 mph.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 37 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17. Northwest wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. West wind around 5 mph.
Saturday
Partly sunny, with a high near 32. Calm wind becoming west around 5 mph.
Saturday Night
A chance of snow, mainly after 1am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Light west wind becoming northwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 17. Northwest wind around 5 mph.
Monday
Mostly cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 49.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
4:12 pm EST Jan 2, 2026
Forecast Valid:
1am EST Jan 3, 2026-6pm EST Jan 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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