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.

Mostly Cloudy

40°F

4°C

Humidity 41%
Wind Speed W 20 G 39 mph
Barometer 29.44 in (996.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 29 Dec 5:53 pm EST
Extended Forecast for

Washington Crossing PA

Wind Advisory December 29, 06:50pm until December 30, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 06:50pm until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • Tonight

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. West wind around 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. Southwest wind around 5 mph becoming west after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow

  • New Year's Day

    New Year's Day: A slight chance of snow before 1pm. Mostly sunny, with a high near 30. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow

  • Thursday Night

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

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 34. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 22. Southwest wind around 5 mph becoming west after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
New Year's Day
A slight chance of snow before 1pm. Mostly sunny, with a high near 30. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington Crossing PA
 40.3°N 74.86°W (Elev. 141 ft)
Last Update:
4:12 pm EST Dec 29, 2025
Forecast Valid:
6pm 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