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

31°C

88°F

Humidity 38%
Wind Speed W 13 km/h
Barometer 1009.2 mb (29.82 in)
Dewpoint 15°C (59°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 3 Jul 2:53 pm EDT
Extended Forecast for

Tullytown PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 33. West wind around 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 18 °C

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 30. North wind around 10 km/h.

    High: 30 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 32. Calm wind.

    High: 32 °C

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 33.

    High: 33 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °C

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 33. West wind around 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 18. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Independence Day
Sunny, with a high near 30. North wind around 10 km/h.
Friday Night
Mostly clear, with a low around 17. Calm wind.
Saturday
Sunny, with a high near 32. Calm wind.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 31. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.12°N 74.83°W (Elev. 13 m)
Last Update:
4:12 am EDT Jul 3, 2025
Forecast Valid:
3pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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