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.

Partly Cloudy

30°F

-1°C

Humidity 64%
Wind Speed SW 12 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 19 Jan 12:53 pm EST
Extended Forecast for

2 Miles ENE Trenton NJ

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

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 34. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind 10 to 15 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7. West wind around 5 mph becoming calm.

    Low: 7 °F

    Mostly Clear

  • Wednesday

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

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Partly sunny, with a high near 34. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 14. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 22. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 7. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 34. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 30.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 19. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Trenton NJ
 40.24°N 74.72°W (Elev. 46 ft)
Last Update:
4:12 am EST Jan 19, 2026
Forecast Valid:
1pm EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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