National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

46°F

8°C

Humidity 54%
Wind Speed W 20 G 33 mph
Barometer 29.35 in (993.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 29 Dec 2:53 pm EST
Extended Forecast for

Tullytown PA

Wind Advisory December 29, 03:35pm until December 30, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 03:35pm until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • Tonight

    Low: 26 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 45 mph.

    High: 34 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 25. West wind 10 to 15 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 37. West wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow. Mostly cloudy, with a low around 23. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow

  • New Year's Day

    New Year's Day: A slight chance of snow after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 20%.

    High: 31 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Breezy, with a west wind 20 to 25 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 45 mph.
Tuesday Night
Increasing clouds, with a low around 25. West wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 37. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 23. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.
New Year's Day
A slight chance of snow after 1pm. Partly sunny, with a high near 31. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.12°N 74.83°W (Elev. 13 ft)
Last Update:
5:47 am EST Dec 29, 2025
Forecast Valid:
3pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation