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.

Mostly Cloudy

50°F

10°C

Humidity 44%
Wind Speed N 14 G 20 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 27 Mar 2:53 pm EDT
Extended Forecast for

Washington Crossing PA

  • This Afternoon

    This Afternoon: A chance of rain. Mostly cloudy, with a high near 54. North wind around 10 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. North wind 5 to 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45. North wind 10 to 15 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain before 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
A chance of rain. Mostly cloudy, with a high near 54. North wind around 10 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 29. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 45. North wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 55. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 62.
Monday Night
A chance of rain after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
A chance of rain before 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of rain. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 50.
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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:
2:25 pm EDT Mar 27, 2026
Forecast Valid:
3pm EDT Mar 27, 2026-6pm EDT Apr 3, 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