Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

53°F

12°C

Humidity 47%
Wind Speed Calm
Barometer 30.01 in (1015.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 28 Feb 5:53 pm EST
Extended Forecast for

Trenton, Mercer County Airport NJ

  • Tonight

    Tonight: Patchy fog between 11pm and 3am.  Otherwise, partly cloudy, with a low around 29. Calm wind becoming north around 5 mph after midnight.

    Low: 29 °F

    Patchy Fog

  • Sunday

    Sunday: Rain showers, snow showers, freezing rain, and sleet likely before 1pm, then a chance of rain and snow showers between 1pm and 3pm.  Patchy fog between 11am and noon.  Otherwise, mostly cloudy, with a high near 39. North wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no ice accumulation expected.  Little or no snow and sleet accumulation expected.

    High: 39 °F

    Wintry Mix
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. North wind around 5 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 32. North wind around 5 mph becoming calm.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow, mainly after 1pm.  Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain.  Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm.  Cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Cloudy, with a low around 39. Chance of precipitation is 50%.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog between 11pm and 3am. Otherwise, partly cloudy, with a low around 29. Calm wind becoming north around 5 mph after midnight.
Sunday
Rain showers, snow showers, freezing rain, and sleet likely before 1pm, then a chance of rain and snow showers between 1pm and 3pm. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 39. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow and sleet accumulation expected.
Sunday Night
Mostly clear, with a low around 15. North wind around 5 mph.
Monday
Mostly sunny, with a high near 32. North wind around 5 mph becoming calm.
Monday Night
Partly cloudy, with a low around 17. Calm wind.
Tuesday
Rain likely, possibly mixed with snow, mainly after 1pm. Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 90%.
Wednesday
A chance of rain before 1pm. Cloudy, with a high near 53. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 39. Chance of precipitation is 50%.
Thursday
A chance of rain before 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton, Mercer County Airport NJ
 40.28°N 74.83°W (Elev. 200 ft)
4:10 pm EST Feb 28, 2026
6pm EST Feb 28, 2026-6pm EST Mar 7, 2026
 
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