Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

48°F

9°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 7 Mar 2:53 pm EST
Extended Forecast for

Trenton, Mercer County Airport NJ

  • Tonight

    Tonight: Showers likely, mainly after 1am.  Mostly cloudy, with a temperature rising to around 56 by 4am. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 1pm.  Mostly cloudy, with a high near 68. West wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. West wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers.  Cloudy, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely.  Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers likely, mainly after 1am. Mostly cloudy, with a temperature rising to around 56 by 4am. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 68. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A chance of showers. Cloudy, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 61. Breezy. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton, Mercer County Airport NJ
 40.28°N 74.83°W (Elev. 200 ft)
4:09 am EST Mar 7, 2026
3pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
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