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

23°F

-5°C

Humidity 48%
Wind Speed NW 6 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 3 Jan 2:53 am EST
Extended Forecast for

Ewing NJ

  • Overnight

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

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 31. West wind 5 to 10 mph.

    High: 31 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight. Cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 23 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm after midnight.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 33.

    High: 33 °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: A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. West wind around 5 mph.
Saturday
Increasing clouds, with a high near 31. West wind 5 to 10 mph.
Saturday Night
A slight chance of snow after midnight. Cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 33.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 50.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 57. 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:
1:51 am EST Jan 3, 2026
Forecast Valid:
3am EST Jan 3, 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