National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

18°C

64°F

Humidity 93%
Wind Speed E 7 km/h
Barometer 1021.0 mb (30.17 in)
Dewpoint 17°C (62°F)
Visibility 16 km
Last update 13 May 8:53 am EDT
Extended Forecast for

3 Miles NNE White Horse NJ

  • Today

    Today: Showers. High near 21. Southeast wind 5 to 15 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.

    High: 21 °C

    Showers

  • Tonight

    Tonight: Showers. Patchy fog. Low around 15. East wind around 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 90%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Low: 15 °C

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 19. East wind 20 to 25 km/h. Chance of precipitation is 90%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 19 °C

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Cloudy, with a low around 15. East wind 5 to 15 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 15 °C

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 24. East wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 24 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °C

    Mostly Cloudy

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    High: 27 °C

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °C

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely. Partly sunny, with a high near 27. Chance of precipitation is 60%.

    High: 27 °C

    Showers
    Likely

Detailed Forecast

Today
Showers. High near 21. Southeast wind 5 to 15 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.
Tonight
Showers. Patchy fog. Low around 15. East wind around 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 90%. New precipitation amounts between 7.5 mm and 1 cm possible.
Wednesday
Showers and possibly a thunderstorm. High near 19. East wind 20 to 25 km/h. Chance of precipitation is 90%. New rainfall amounts between 7.5 mm and 1 cm possible.
Wednesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 15. East wind 5 to 15 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 24. East wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of showers. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Friday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Saturday
Showers likely. Partly sunny, with a high near 27. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE White Horse NJ
 40.23°N 74.67°W (Elev. 98 m)
Last Update:
7:09 am EDT May 13, 2025
Forecast Valid:
9am EDT May 13, 2025-6pm EDT May 19, 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