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.

Partly Cloudy

33°F

1°C

Humidity 48%
Wind Speed NW 16 G 24 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Feb 4:53 pm EST
Extended Forecast for

Tullytown PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Northwest wind 5 to 10 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind around 5 mph becoming calm.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43. West wind around 5 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 35. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 22. West wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 43. West wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 24. Calm wind.
Sunday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Washington's Birthday
Mostly cloudy, with a high near 44.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Cloudy, with a high near 52. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.14°N 74.83°W (Elev. 39 ft)
Last Update:
4:19 pm EST Feb 12, 2026
Forecast Valid:
5pm EST Feb 12, 2026-6pm EST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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