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.

Light Rain

10°C

50°F

Humidity 89%
Wind Speed E 13 km/h
Barometer 1007.4 mb (29.77 in)
Dewpoint 8°C (47°F)
Visibility 14 km
Wind Chill8°C (47°F)
Last update 10 May 3:53 pm EDT
Extended Forecast for

Princeton NJ

  • This Afternoon

    This Afternoon: Rain. High near 12. Northeast wind around 10 km/h, with gusts as high as 30 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2.5 mm possible.

    High: 12 °C

    Rain

  • Tonight

    Tonight: Periods of rain, mainly before 8pm. Low around 6. Northeast wind 5 to 10 km/h becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.

    Low: 6 °C

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 17. North wind 5 to 10 km/h becoming east in the afternoon.

    High: 17 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Cloudy, with a low around 8. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    Low: 8 °C

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Cloudy, with a high near 15. East wind 10 to 15 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 15 °C

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7.

    Low: 7 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23.

    High: 23 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13.

    Low: 13 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 25. Chance of precipitation is 50%.

    High: 25 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
Rain. High near 12. Northeast wind around 10 km/h, with gusts as high as 30 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2.5 mm possible.
Tonight
Periods of rain, mainly before 8pm. Low around 6. Northeast wind 5 to 10 km/h becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.
Saturday
Mostly sunny, with a high near 17. North wind 5 to 10 km/h becoming east in the afternoon.
Saturday Night
A chance of showers, mainly after 2am. Cloudy, with a low around 8. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 15. East wind 10 to 15 km/h. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
A chance of showers. Mostly cloudy, with a high near 25. Chance of precipitation is 50%.
Tuesday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A chance of showers. Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 m)
Last Update:
1:10 pm EDT May 10, 2024
Forecast Valid:
4pm EDT May 10, 2024-6pm EDT May 17, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation