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.

Overcast

41°F

5°C

Humidity 89%
Wind Speed E 7 mph
Barometer 30.36 in (1027.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Mar 3:53 pm EST
Extended Forecast for

Washington Crossing PA

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain after midnight. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of rain before 7am. Areas of fog before noon. Otherwise, cloudy, with a high near 50. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 50 °F

    Chance Rain
    and Areas Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Patchy fog before 11pm. Otherwise, mostly cloudy, with a temperature rising to around 57 by 3am. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F⇑

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. West wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of rain before 11pm, then a chance of rain after midnight. Patchy fog after midnight. Otherwise, cloudy, with a low around 37. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A chance of rain before 7am. Areas of fog before noon. Otherwise, cloudy, with a high near 50. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm. Patchy fog before 11pm. Otherwise, mostly cloudy, with a temperature rising to around 57 by 3am. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 40. West wind around 5 mph.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 74.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
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:
4:09 pm EST Mar 6, 2026
Forecast Valid:
4pm EST Mar 6, 2026-6pm EDT Mar 13, 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