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

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Snow Fog/Mist

28°F

-2°C

Humidity 92%
Wind Speed N 15 G 24 mph
Barometer 29.66 in (1004.0 mb)
Dewpoint 26°F (-3°C)
Visibility 1.00 mi
Wind Chill16°F (-9°C)
Last update 19 Jan 5:53 pm EST
Extended Forecast for

Trenton, Mercer County Airport NJ

Cold Weather Advisory January 20, 06:00pm until January 21, 06:00am
Winter Storm Warning January 19, 05:59pm until January 20, 01:00am
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning January 19, 05:59pm until January 20, 01:00am

    NOW until 1:00am Mon

    Winter Storm Warning

  • This Afternoon

    High: 34 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 9pm. The snow could be heavy at times. Low around 15. Northwest wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Heavy Snow
    then Slight
    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 23. West wind 10 to 15 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. Wind chill values as low as -3. West wind 5 to 10 mph.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 18. West wind 5 to 10 mph.

    High: 18 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.

    Low: 4 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Wednesday Night

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

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 34. North wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 9pm. The snow could be heavy at times. Low around 15. Northwest wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 23. West wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 6. Wind chill values as low as -3. West wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 18. West wind 5 to 10 mph.
Tuesday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 18.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Partly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly cloudy, with a high near 38.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Trenton, Mercer County Airport NJ
 40.28°N 74.83°W (Elev. 200 ft)
Last Update:
4:13 pm EST Jan 19, 2025
Forecast Valid:
5pm EST Jan 19, 2025-6pm EST Jan 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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