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

53°F

12°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 8 Oct 1:53 am EDT
Extended Forecast for

Washington Crossing PA

  • Overnight

    Overnight: Clear, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Southwest wind 5 to 15 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. West wind around 5 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. West wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Clear, with a low around 55. South wind around 5 mph.
Thursday
Sunny, with a high near 75. Southwest wind 5 to 15 mph.
Thursday Night
Clear, with a low around 52. West wind around 5 mph.
Friday
Sunny, with a high near 71. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunday
Showers, mainly after 8am. High near 68. Chance of precipitation is 90%.
Sunday Night
Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 59.
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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:
4:09 pm EDT Oct 7, 2026
Forecast Valid:
2am EDT Oct 8, 2026-6pm EDT Oct 14, 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