Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

12°F

-11°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 30.13 in (1020.0 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 27 Jan 5:53 am EST
Extended Forecast for

Monmouth Junction NJ

Cold Weather Advisory January 27, 06:11am until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 06:11am 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 -4. 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 around 5 mph.

    High: 21 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. Wind chill values as low as -7. West wind around 5 mph.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

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

    High: 20 °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 18.

    High: 18 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 19. Wind chill values as low as -4. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -4. West wind around 5 mph.
Wednesday
Increasing clouds, with a high near 21. Wind chill values as low as -7. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 3. Wind chill values as low as -7. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 20. 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 18.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 21.
Saturday Night
A chance of snow. Mostly 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 14.
Monday
Mostly sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
4:20 am EST Jan 27, 2026
6am EST Jan 27, 2026-6pm EST Feb 2, 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