Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

56°F

13°C

Humidity 55%
Wind Speed NE 12 mph
Barometer 30.17 in (1021.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Sep 2:53 am EDT
Extended Forecast for

2 Miles S Princeton Junction NJ

Wind Advisory September 25, 06:00pm until September 27, 06:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 51. North wind around 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. North wind around 10 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 67. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely.  Cloudy, with a low around 53. North wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely.  Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. North wind around 10 mph.
Friday
Mostly cloudy, with a high near 71. North wind around 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 54. North wind around 10 mph, with gusts as high as 25 mph.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely. Cloudy, with a low around 53. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)
7:57 pm EDT Sep 24, 2026
3am EDT Sep 25, 2026-6pm EDT Oct 1, 2026
 
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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