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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

20°F

-7°C

Humidity 57%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 3 Jan 6:53 am EST
Extended Forecast for

2 Miles S Lambertville NJ

  • Today

    Today: Mostly cloudy, with a high near 30. West wind 5 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of snow after midnight. Cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 23 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 15 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31. Calm wind becoming southwest around 5 mph.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 30. West wind 5 to 10 mph.
Tonight
A slight chance of snow after midnight. Cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 35. Northwest wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind 5 to 10 mph becoming light after midnight.
Monday
Mostly cloudy, with a high near 31. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
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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:
4:11 am EST Jan 3, 2026
Forecast Valid:
7am EST Jan 3, 2026-6pm EST Jan 9, 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