National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

30°F

-1°C

Humidity 49%
Wind Speed W 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Feb 7:54 pm EST
Extended Forecast for

Williamstown NJ

  • Tonight

    Tonight: Snow likely, mainly after 5am. Increasing clouds, with a temperature rising to around 33 by 5am. Light south wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 22 °F⇑

    Partly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow before 9am, then a chance of rain between 9am and 10am. High near 47. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Rain/Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming west after midnight.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am, then a chance of freezing rain after 1am. Mostly cloudy, with a low around 27. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Wintry
    Mix

  • Friday

    Friday: A slight chance of rain before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Increasing clouds, with a temperature rising to around 33 by 5am. Light south wind increasing to 5 to 10 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow before 9am, then a chance of rain between 9am and 10am. High near 47. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming west after midnight.
Thursday
A slight chance of rain before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 42. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am, then a chance of freezing rain after 1am. Mostly cloudy, with a low around 27. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of rain before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamstown NJ
 39.69°N 75°W (Elev. 161 ft)
Last Update:
4:31 pm EST Feb 24, 2026
Forecast Valid:
8pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation