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.

Overcast

30°F

-1°C

Humidity 56%
Wind Speed W 10 G 20 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 19 Jan 1:53 pm EST
Extended Forecast for

2 Miles S Lambertville 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 32. Southwest wind 10 to 15 mph.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Wind chill values as low as -1. West wind 10 to 15 mph.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -2. West wind 10 to 15 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. West wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. Calm wind becoming south around 5 mph in the morning.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °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 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Partly sunny, with a high near 32. Southwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 12. Wind chill values as low as -1. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 20. Wind chill values as low as -2. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 4. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 31. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
A chance of snow. Partly sunny, with a high near 18. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Lambertville NJ
 40.35°N 74.93°W (Elev. 387 ft)
Last Update:
4:12 am EST Jan 19, 2026
Forecast Valid:
2pm EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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