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

Briefing for Wintry Precipitation and Extreme Cold Impacts from January 18 to 22

Widespread wintry precipitation on Sunday; and dangerously cold conditions expected for much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.79 in (1008.5 mb)
Dewpoint 31°F (-1°C)
Visibility 4.00 mi
Last update 19 Jan 1:53 am EST
Extended Forecast for

2 Miles ENE Trenton NJ

Winter Weather Advisory January 19, 10:00am until January 20, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Areas of fog before 4am. Otherwise, mostly cloudy, with a low around 30. West wind around 5 mph.

    Low: 30 °F

    Areas Fog

  • Sunday

    Sunday: Snow before 4pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 34. North wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Chance Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 16. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Heavy Snow
    then Chance
    Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 24. West wind 5 to 15 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 4. West wind around 10 mph.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.

    Low: 8 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog before 4am. Otherwise, mostly cloudy, with a low around 30. West wind around 5 mph.
Sunday
Snow before 4pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 34. North wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 16. Northwest wind around 10 mph, with gusts as high as 25 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 24. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 4. West wind around 10 mph.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 34.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Trenton NJ
 40.24°N 74.72°W (Elev. 46 ft)
Last Update:
1:10 am EST Jan 19, 2025
Forecast Valid:
2am EST Jan 19, 2025-6pm EST Jan 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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