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

39°F

4°C

Humidity 76%
Wind Speed E 5 mph
Barometer 30.31 in (1025.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Apr 5:53 am EDT
Extended Forecast for

Trenton NJ

  • Today

    Today: A slight chance of showers after 2pm. Mostly cloudy, with a high near 53. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 2am. Cloudy, with a low around 41. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: Rain. High near 50. East wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 41. Northeast wind around 15 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain before 11am, then showers likely after 11am. High near 48. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of showers. Cloudy, with a low around 39. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 2pm. Mostly cloudy, with a high near 53. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 2am. Cloudy, with a low around 41. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 50. East wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 41. Northeast wind around 15 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain before 11am, then showers likely after 11am. High near 48. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers. Cloudy, with a low around 39. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trenton NJ
 40.22°N 74.75°W (Elev. 23 ft)
Last Update:
4:12 am EDT Apr 10, 2025
Forecast Valid:
6am EDT Apr 10, 2025-6pm EDT Apr 16, 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