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

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

92°F

33°C

Humidity 43%
Wind Speed SW 7 mph
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 May 12:10 pm EDT
Extended Forecast for

King of Prussia PA

Heat Advisory May 19, 12:32pm until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 12:32pm until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 93. West wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 70. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 97. West wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 93. West wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 70. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
Showers. Low around 49. Chance of precipitation is 90%.
Saturday
Showers. High near 63. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 54. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Memorial Day
Mostly cloudy, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
King of Prussia PA
 40.09°N 75.36°W (Elev. 200 ft)
Last Update:
4:07 am EDT May 19, 2026
Forecast Valid:
12pm EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation