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.

Fair

55°F

13°C

Humidity 77%
Wind Speed Calm
Barometer 29.98 in (1014.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Apr 8:53 am EDT
Extended Forecast for

3 Miles ENE Trenton NJ

  • Today

    Today: Sunny, with a high near 76. Northwest wind 5 to 15 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming north around 5 mph.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 53. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Northwest wind 5 to 15 mph.
Tonight
Partly cloudy, with a low around 48. North wind 5 to 10 mph.
Friday
Partly sunny, with a high near 68. Calm wind becoming north around 5 mph.
Friday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 47. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 8am. High near 53. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely, mainly before 2am. Cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 65.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Trenton NJ
 40.24°N 74.72°W (Elev. 46 ft)
Last Update:
4:08 am EDT Apr 23, 2026
Forecast Valid:
9am EDT Apr 23, 2026-6pm EDT Apr 29, 2026
 
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