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.

Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.20 in (1022.2 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 7 Mar 10:53 am EST
Extended Forecast for

Ewing NJ

  • Today

    Today: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.

    High: 49 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 1am. Mostly cloudy, with a temperature rising to around 56 by 5am. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 1pm. Mostly cloudy, with a high near 68. West wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. West wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Showers likely, mainly after 1am. Mostly cloudy, with a temperature rising to around 56 by 5am. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 68. West wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A chance of showers. Cloudy, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 62. Breezy. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.77°W (Elev. 98 ft)
Last Update:
4:09 am EST Mar 7, 2026
Forecast Valid:
10am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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