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

20°C

68°F

Humidity 84%
Wind Speed Calm
Barometer 1010.3 mb (29.85 in)
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 24 May 2:53 am EDT
Extended Forecast for

Plainsboro NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °C

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 28. North wind 5 to 10 km/h becoming west in the afternoon.

    High: 28 °C

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. Calm wind.

    Low: 15 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 27. East wind around 10 km/h becoming southeast in the afternoon.

    High: 27 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 16. Southeast wind 5 to 10 km/h. Chance of precipitation is 20%.

    Low: 16 °C

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

    Low: 16 °C

    Partly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.

    High: 24 °C

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.

    Low: 16 °C

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 28. North wind 5 to 10 km/h becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 15. Calm wind.
Saturday
Mostly sunny, with a high near 27. East wind around 10 km/h becoming southeast in the afternoon.
Saturday Night
A slight chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 16. Southeast wind 5 to 10 km/h. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Memorial Day
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Tuesday
A chance of showers. Mostly sunny, with a high near 24. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 14. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly sunny, with a high near 23. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 21.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Plainsboro NJ
 40.34°N 74.59°W (Elev. 89 m)
Last Update:
1:09 am EDT May 24, 2024
Forecast Valid:
3am EDT May 24, 2024-6pm EDT May 30, 2024
 
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