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.

Snow Fog/Mist

-2°C

29°F

Humidity 89%
Wind Speed N 28 G 43 km/h
Barometer 1004.6 mb (29.68 in)
Dewpoint -3°C (26°F)
Visibility 0.80 km
Wind Chill-8°C (17°F)
Last update 19 Jan 4:53 pm EST
Extended Forecast for

2 Miles SE Lawrenceville NJ

Cold Weather Advisory January 20, 06:00pm until January 21, 06:00am
Winter Storm Warning January 19, 05:40pm until January 20, 01:00am
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning January 19, 05:40pm until January 20, 01:00am

    NOW until 1:00am Mon

    Winter Storm Warning

  • This Afternoon

    High: 2 °C

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 10pm. The snow could be heavy at times. Low around -9. Northwest wind 15 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 7 centimeters possible.

    Low: -9 °C

    Heavy Snow
    then Slight
    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near -5. West wind 15 to 20 km/h, with gusts as high as 35 km/h.

    High: -5 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around -14. Wind chill values as low as -21. West wind 10 to 15 km/h.

    Low: -14 °C

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near -8. West wind 10 to 15 km/h.

    High: -8 °C

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around -15. Chance of precipitation is 20%.

    Low: -15 °C

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near -7.

    High: -7 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -16.

    Low: -16 °C

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 2. North wind around 15 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 centimeters possible.
Tonight
Snow, mainly before 10pm. The snow could be heavy at times. Low around -9. Northwest wind 15 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 7 centimeters possible.
M.L.King Day
Mostly sunny, with a high near -5. West wind 15 to 20 km/h, with gusts as high as 35 km/h.
Monday Night
Mostly clear, with a low around -14. Wind chill values as low as -21. West wind 10 to 15 km/h.
Tuesday
Mostly cloudy, with a high near -8. West wind 10 to 15 km/h.
Tuesday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around -15. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near -7.
Wednesday Night
Mostly cloudy, with a low around -16.
Thursday
Partly sunny, with a high near -3.
Thursday Night
Mostly cloudy, with a low around -12.
Friday
Mostly sunny, with a high near -1.
Friday Night
Partly cloudy, with a low around -9.
Saturday
Sunny, with a high near 1.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly cloudy, with a high near 4.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lawrenceville NJ
 40.28°N 74.71°W (Elev. 82 m)
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

Link to Local Radar Data Link to Satellite Data

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