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

27°F

-3°C

Humidity 55%
Wind Speed W 5 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Jan 9:53 pm EST
Extended Forecast for

Ewing NJ

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 32. West wind around 5 mph becoming calm in the afternoon.

    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. Northwest wind 5 to 10 mph.

    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

Tonight
Mostly clear, with a low around 18. West wind around 5 mph.
Saturday
Partly sunny, with a high near 32. West wind around 5 mph becoming calm in the afternoon.
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. Northwest wind 5 to 10 mph.
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
Partly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 30.
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%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.77°W (Elev. 98 ft)
Last Update:
4:12 pm EST Jan 2, 2026
Forecast Valid:
10pm EST Jan 2, 2026-6pm EST Jan 9, 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