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.

Light Rain Fog/Mist

42°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 30.20 in (1022.1 mb)
Dewpoint 39°F (4°C)
Visibility 6.00 mi
Last update 5 Mar 5:53 am EST
Extended Forecast for

Washington Crossing PA

  • Today

    Today: Rain, mainly before 2pm. Patchy fog before 11am, then widespread fog after 2pm. High near 44. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Fog

  • Tonight

    Tonight: Rain, mainly before 3am. Widespread fog, mainly after 3am. Low around 37. Northeast wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, cloudy, with a high near 45. East wind around 5 mph.

    High: 45 °F

    Areas Fog
    then Cloudy

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.

    High: 58 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

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

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Rain, mainly before 2pm. Patchy fog before 11am, then widespread fog after 2pm. High near 44. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 3am. Widespread fog, mainly after 3am. Low around 37. Northeast wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Areas of fog before 10am. Otherwise, cloudy, with a high near 45. East wind around 5 mph.
Friday Night
A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 38. East wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 10am. Otherwise, cloudy, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 74. 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:
5:23 am EST Mar 5, 2026
Forecast Valid:
6am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation