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.

Light Rain Fog/Mist

23°C

74°F

Humidity 100%
Wind Speed Calm
Barometer 1012.7 mb (29.93 in)
Dewpoint 23°C (74°F)
Visibility 6 km
Last update 30 Jun 9:53 pm EDT
Extended Forecast for

Ewing NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 23. Southwest wind around 10 km/h. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 23 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 31. Southwest wind 15 to 20 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 31 °C

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before midnight, then a slight chance of showers after 2am. Low around 21. Southwest wind 10 to 15 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Low: 21 °C

    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Partly sunny, with a high near 29. West wind around 10 km/h. Chance of precipitation is 20%.

    High: 29 °C

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °C

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 30. Chance of precipitation is 20%.

    High: 30 °C

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °C

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 28.

    High: 28 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °C

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 23. Southwest wind around 10 km/h. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 31. Southwest wind 15 to 20 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Tuesday Night
Showers and thunderstorms before midnight, then a slight chance of showers after 2am. Low around 21. Southwest wind 10 to 15 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.
Wednesday
A slight chance of showers before 2pm. Partly sunny, with a high near 29. West wind around 10 km/h. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 20. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 30. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 18.
Independence Day
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.8°W (Elev. 157 m)
Last Update:
4:12 pm EDT Jun 30, 2025
Forecast Valid:
10pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025
 
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