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Weekend Nor'easter

Coastal flooding, strong winds, dangerous rip currents, high surf, and hazardous marine conditions are expected from a nor'easter impacting the region through this weekend. View this briefing for more details. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

58°F

14°C

Humidity 93%
Wind Speed N 14 G 29 mph
Barometer 29.53 in (999.3 mb)
Dewpoint 56°F (13°C)
Visibility 8.00 mi
Last update 27 Sep 5:53 am EDT
Extended Forecast for

Trenton, Mercer County Airport NJ

Wind Advisory September 27, 07:22am until September 27, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory September 27, 07:22am until September 27, 12:00pm

    NOW until 12:00pm Sun

    Wind Advisory

  • Today

    High: 66 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 57. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 66. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. North wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Northwest wind around 5 mph.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm before 11am, then showers likely. High near 66. Breezy, with a north wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers, mainly before 4am. Low around 57. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 66. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 54. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 73. Northwest wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trenton, Mercer County Airport NJ
 40.27°N 74.8°W (Elev. 157 ft)
Last Update:
4:11 am EDT Sep 27, 2026
Forecast Valid:
7am EDT Sep 27, 2026-6pm EDT Oct 3, 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