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.

Overcast

31°F

-1°C

Humidity 54%
Wind Speed W 10 G 18 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Feb 6:53 am EST
Extended Forecast for

Tullytown PA

  • Today

    Today: Mostly cloudy, with a high near 36. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Northwest wind 5 to 10 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 37. Northwest wind around 5 mph.

    High: 37 °F

    Sunny

  • Friday Night

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

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43. West wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 37. Northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 22. West wind around 5 mph.
Saturday
Sunny, with a high near 43. West wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Washington's Birthday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Cloudy, with a high near 51. 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:
6:03 am EST Feb 12, 2026
Forecast Valid:
7am EST Feb 12, 2026-6pm EST Feb 18, 2026
 
Forecast Discussion
 
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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