Valley Forge Mountain, Pennsylvania Weather
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Click for Extreme Heat Warning for Valley Forge Mountain, Pennsylvania
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Weather Forecast for Valley Forge Mountain, Pennsylvania : Chester County
Issued: 4:11 pm EDT Jun 20, 2025 Latitude: 40.0893 Longitude: -75.466 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Overnight Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday 30% chance of thunderstorms on Thursday 30% chance of thunderstorms on Friday
Low: 66°F High: 89°F High: 94°F High: 98°F High: 98°F High: 96°F High: 91°F High: 89°F
Low: 71°F Low: 76°F Low: 77°F Low: 77°F Low: 70°F Low: 70°F  
Cloudy Mostly Sunny Mostly Sunny Sunny Sunny Sunny Thunderstorms Thunderstorms
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Current Conditions at
POTTSTOWN - (KPTW)
70°
Clear
as of 1:54 AM EDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PHILADELPHIA - (KPHL)
75°
Mostly Cloudy
as of 1:54 AM EDST
Rel. Humidity: 73%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Broken at 25000ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 66. West wind around 5 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 71. Southwest wind 5 to 10 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 94. Heat index values as high as 100. West wind 5 to 10 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 76. Southwest wind around 5 mph.
Sunny on Monday Monday... Sunny and hot, with a high near 98.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 77.
Sunny on Tuesday Tuesday... Sunny and hot, with a high near 98.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 77.
Sunny on Wednesday Wednesday... Sunny, with a high near 96.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 70.
30% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
30% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Sun Almanac for Valley Forge Mountain, Pennsylvania
Sunrise: 05:33 AM
Sunset: 8:35 PM
Civil Sunrise:05:00 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 04:18 AM
Nautical Sunset: 9:49 PM
Astro Sunrise: 03:29 AM
Astro Sunset: 10:38 PM
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