Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed E 8 mph
Barometer 30.19 in (1022.0 mb)
Dewpoint 41°F (5°C)
Visibility 1.25 mi
Wind Chill36°F (2°C)
Last update 5 Mar 4:53 pm EST
Extended Forecast for

Trenton, Mercer County Airport NJ

  • This Afternoon

    This Afternoon: A slight chance of rain.  Cloudy, with a high near 44. East wind around 5 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 4am.  Patchy fog after 7pm. Low around 36. Northeast wind around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, cloudy, with a high near 44. East wind around 5 mph.

    High: 44 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A chance of rain, mainly after 1am.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 37. East wind around 5 mph becoming calm.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 1pm.  Otherwise, cloudy, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.

    High: 57 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Showers.  Patchy fog before 1am. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain. Cloudy, with a high near 44. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
Rain, mainly before 4am. Patchy fog after 7pm. Low around 36. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Patchy fog before 11am. Otherwise, cloudy, with a high near 44. East wind around 5 mph.
Friday Night
A chance of rain, mainly after 1am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 37. East wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 1pm. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers. Patchy fog before 1am. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
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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 pm EST Mar 5, 2026
5pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
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Additional Resources

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