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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

18°F

-8°C

Humidity 47%
Wind Speed W 14 G 24 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 27 Jan 10:53 am EST
Extended Forecast for

Princeton Junction NJ

Cold Weather Advisory January 27, 11:51am until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 11:51am until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Today

    High: 19 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -6. West wind around 5 mph.

    Low: 4 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 21. Wind chill values as low as -7. West wind 5 to 10 mph.

    High: 21 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4. Wind chill values as low as -6. West wind around 5 mph.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 19. Southwest wind around 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -6. West wind around 5 mph.
Wednesday
Increasing clouds, with a high near 21. Wind chill values as low as -7. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -6. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 19. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around -1.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 21. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Cloudy, with a low around 8. Chance of precipitation is 40%.
Sunday
A chance of snow. Cloudy, with a high near 26. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)
Last Update:
8:08 am EST Jan 27, 2026
Forecast Valid:
11am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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