Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

80°F

27°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 30.09 in (1018.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 May 8:53 am EDT
Extended Forecast for

2 Miles S Lambertville NJ

Heat Advisory May 19, 09:40am until May 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 09:40am until May 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Increasing clouds, with a high near 93. West wind 5 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 55. North wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 2pm.  Partly sunny, with a high near 70. North wind around 5 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 96. West wind 5 to 15 mph.
Tonight
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 93. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 55. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm. Partly sunny, with a high near 70. North wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Friday Night
Showers. Low around 47. Chance of precipitation is 80%.
Saturday
Showers. High near 61. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 52. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Memorial Day
Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Lambertville NJ
 40.35°N 74.93°W (Elev. 387 ft)
4:07 am EDT May 19, 2026
9am EDT May 19, 2026-6pm EDT May 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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