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

32°F

0°C

Humidity 47%
Wind Speed W 3 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 13 Mar 3:53 am EDT
Extended Forecast for

Washington Crossing PA

  • Today

    Today: Increasing clouds, with a high near 49. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 49 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain between 10pm and 11pm. Partly cloudy, with a low around 38. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 53. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 35. Breezy. Chance of precipitation is 80%.

    Low: 35 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 49. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Tonight
A slight chance of rain between 10pm and 11pm. Partly cloudy, with a low around 38. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Increasing clouds, with a low around 34. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 53. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers, mainly after 2am. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 35. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 49.
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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 am EDT Mar 13, 2026
Forecast Valid:
4am EDT Mar 13, 2026-6pm EDT Mar 19, 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