National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Mostly Cloudy

24°F

-4°C

Humidity 55%
Wind Speed NW 17 G 26 mph
Barometer 29.81 in (1009.1 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 26 Jan 3:53 pm EST
Extended Forecast for

Trenton, Mercer County Airport NJ

Cold Weather Advisory January 26, 07:00pm until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Scattered flurries. Partly sunny, with a high near 28. Breezy, with a west wind around 20 mph.

    High: 28 °F

    Scattered
    Flurries and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -7. Northwest wind 10 to 15 mph.

    Low: 6 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 20. Wind chill values as low as -7. Southwest wind 10 to 15 mph.

    High: 20 °F

    Increasing
    Clouds

  • Tuesday Night

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

    Low: 6 °F

    Decreasing
    Clouds

  • Wednesday

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

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered flurries. Partly sunny, with a high near 28. Breezy, with a west wind around 20 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -7. Northwest wind 10 to 15 mph.
Tuesday
Increasing clouds, with a high near 20. Wind chill values as low as -7. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 6. Wind chill values as low as -6. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 20. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around -1.
Friday
Mostly sunny, with a high near 15.
Friday Night
Partly cloudy, with a low around 0.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trenton, Mercer County Airport NJ
 40.28°N 74.83°W (Elev. 200 ft)
Last Update:
4:11 pm EST Jan 26, 2026
Forecast Valid:
4pm EST Jan 26, 2026-6pm EST Feb 2, 2026
 
Forecast Discussion
 
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