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

31°F

-1°C

Humidity 40%
Wind Speed Vrbl 5 mph
Barometer 30.42 in (1029.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Mar 12:53 pm EDT
Extended Forecast for

Ewing NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. South wind around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Southeast wind around 5 mph becoming calm.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. South wind around 5 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely before 8am. Partly sunny, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 27. Southeast wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 49. South wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 34. Calm wind.
Friday
Partly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely before 8am. Partly sunny, with a high near 61. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A chance of rain after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Partly sunny, with a high near 47.
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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:
1:08 pm EDT Mar 18, 2026
Forecast Valid:
1pm EDT Mar 18, 2026-6pm EDT Mar 24, 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