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

59°F

15°C

Humidity 81%
Wind Speed E 5 mph
Barometer 30.43 in (1029.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 10 Oct 9:53 pm EDT
Extended Forecast for

Ewing NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 9am. High near 66. East wind 5 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and thunderstorms before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a slight chance of thunderstorms after 5am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers

  • Columbus Day

    Columbus Day: A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Sunday
Rain, mainly after 9am. High near 66. East wind 5 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain and thunderstorms before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a slight chance of thunderstorms after 5am. Low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 61.
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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:
4:10 pm EDT Oct 10, 2026
Forecast Valid:
10pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation