Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

99°F

37°C

Humidity 40%
Wind Speed W 9 mph
Barometer 29.95 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 3 Jul 4:15 pm EDT
Extended Forecast for

Devon PA

Severe T-storm Watch until July 3, 11:00pm
Extreme Heat Warning July 3, 04:24pm until July 4, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Extreme Heat Warning
  •  
    Severe T-storm Watch until July 3, 11:00pm
    Extreme Heat Warning July 3, 04:24pm until July 4, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 101 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe.  Partly cloudy, with a low around 77. West wind 5 to 10 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 97. Heat index values as high as 102. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm after 2pm.  High near 88. Northeast wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Partly Sunny
    then Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 70. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West wind around 15 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 77. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 102. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm after 2pm. High near 88. Northeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Devon PA
 40.03°N 75.4°W (Elev. 397 ft)
4:08 pm EDT Jul 3, 2026
4pm EDT Jul 3, 2026-6pm EDT Jul 10, 2026
 
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