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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

25°F

-4°C

Humidity 46%
Wind Speed W 9 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 7°F (-14°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 19 Jan 10:53 pm EST
Extended Forecast for

Monmouth Junction NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 12. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 6. Southwest wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 12. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 6. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 34. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 26. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 18. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.38°N 74.55°W (Elev. 98 ft)
Last Update:
4:10 pm EST Jan 19, 2026
Forecast Valid:
10pm EST Jan 19, 2026-6pm EST Jan 26, 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