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

39°F

4°C

Humidity 65%
Wind Speed S 7 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 13 Jan 8:53 pm EST
Extended Forecast for

2 Miles NNW Trenton NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Southwest wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. Southwest wind around 5 mph.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then rain and snow. Low around 27. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 32. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Southwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 51. Southwest wind around 5 mph.
Wednesday Night
A chance of rain before 1am, then rain and snow. Low around 27. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 32. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 16. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Trenton NJ
 40.25°N 74.78°W (Elev. 105 ft)
Last Update:
4:12 pm EST Jan 13, 2026
Forecast Valid:
9pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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