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

33°F

1°C

Humidity 52%
Wind Speed NW 5 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Feb 1:53 am EST
Extended Forecast for

Washington Crossing PA

  • Overnight

    Overnight: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 51. Calm wind becoming southwest around 5 mph.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

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

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow

  • Monday Night

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

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. Calm wind.
Friday
Mostly sunny, with a high near 45. Calm wind.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 27. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 51. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
A chance of rain or freezing rain. Cloudy, with a low around 28. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Crossing PA
 40.3°N 74.86°W (Elev. 141 ft)
Last Update:
4:11 pm EST Feb 26, 2026
Forecast Valid:
2am EST Feb 27, 2026-6pm EST Mar 5, 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