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

-1°C

30°F

Humidity 49%
Wind Speed W 7 km/h
Barometer 1020.7 mb (30.15 in)
Dewpoint -11°C (13°F)
Visibility 16 km
Wind Chill-4°C (25°F)
Last update 13 Feb 7:53 pm EST
Extended Forecast for

Washington Crossing PA

  • Tonight

    Tonight: Isolated snow showers after 1am. Increasing clouds, with a low around -7. Calm wind. Chance of precipitation is 20%.

    Low: -7 °C

    Mostly Clear
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 6. Southwest wind 10 to 15 km/h becoming northwest in the afternoon.

    High: 6 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -6. Calm wind.

    Low: -6 °C

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 4. Calm wind.

    High: 4 °C

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around -2. Calm wind. Chance of precipitation is 30%. New snow accumulation of around a centimeter possible.

    Low: -2 °C

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 7.

    High: 7 °C

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -1.

    Low: -1 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 10.

    High: 10 °C

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 1.

    Low: 1 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated snow showers after 1am. Increasing clouds, with a low around -7. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 6. Southwest wind 10 to 15 km/h becoming northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around -6. Calm wind.
Sunday
Mostly cloudy, with a high near 4. Calm wind.
Sunday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around -2. Calm wind. Chance of precipitation is 30%. New snow accumulation of around a centimeter possible.
Washington's Birthday
Partly sunny, with a high near 7.
Monday Night
Mostly cloudy, with a low around -1.
Tuesday
Partly sunny, with a high near 10.
Tuesday Night
Mostly cloudy, with a low around 1.
Wednesday
A chance of rain. Mostly cloudy, with a high near 9. Chance of precipitation is 50%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 3. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 9. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around -1. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 6. Chance of precipitation is 50%.
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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 m)
Last Update:
4:15 pm EST Feb 13, 2026
Forecast Valid:
8pm EST Feb 13, 2026-6pm EST Feb 20, 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