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

56°F

13°C

Humidity 67%
Wind Speed W 3 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 8:53 am EDT
Extended Forecast for

Lambertville NJ

  • Today

    Today: Sunny, with a high near 71. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71. North wind around 5 mph becoming southeast in the afternoon.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers. High near 66. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Columbus Day

    Columbus Day: Showers likely before 8am. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 48. West wind around 5 mph.
Saturday
Partly sunny, with a high near 71. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 55. Northeast wind around 5 mph.
Sunday
Showers. High near 66. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
Showers likely before 8am. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambertville NJ
 40.35°N 74.93°W (Elev. 387 ft)
Last Update:
4:09 am EDT Oct 9, 2026
Forecast Valid:
9am EDT Oct 9, 2026-6pm EDT Oct 15, 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