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

64°F

18°C

Humidity 73%
Wind Speed Calm
Barometer 30.00 in (1015.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Aug 1:53 am EDT
Extended Forecast for

3 Miles NE Lambertville NJ

  • Overnight

    Overnight: Clear, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west around 5 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 58. West wind around 5 mph.
Tuesday
Sunny, with a high near 82. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming west around 5 mph.
Wednesday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 84. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Chance of precipitation is 80%.
Friday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Lambertville NJ
 40.39°N 74.9°W (Elev. 259 ft)
Last Update:
4:09 pm EDT Aug 24, 2026
Forecast Valid:
2am EDT Aug 25, 2026-6pm EDT Aug 31, 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