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

Areas of Severe Thunderstorms and Excessive Rainfall Through This Weekend

Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

87°F

31°C

Humidity 42%
Wind Speed W 15 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 6 Jun 11:54 am EDT
Extended Forecast for

Williamstown NJSimilar City Names

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. North wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Northeast wind around 5 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 63. North wind around 5 mph.
Monday
Sunny, with a high near 82. Northeast wind around 5 mph.
Monday Night
Clear, with a low around 54.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamstown NJSimilar City Names
 39.69°N 74.97°W (Elev. 148 ft)
Last Update:
4:08 am EDT Jun 6, 2026
Forecast Valid:
12pm EDT Jun 6, 2026-6pm EDT Jun 12, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation