Valley Forge, Pennsylvania Weather
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Weather Forecast for Valley Forge, Pennsylvania : York County
Issued: 7:28 am EDT Jun 21, 2025 Latitude: 39.9845423 Longitude: -76.7074665 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday 40% chance of rain on Thursday 40% chance of rain on Friday
High: 90°F Low: 72°F High: 96°F High: 98°F High: 98°F High: 96°F High: 93°F High: 91°F
Low: 75°F Low: 77°F Low: 76°F Low: 72°F Low: 72°F  
Sunny Mostly Clear Sunny Sunny Sunny Sunny Rain Rain
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Current Conditions at
YORK - (KTHV)
70°
Clear
as of 6:53 AM EDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
COLLEGE PARK ARPT - (KCGS)
72°
Clear
as of 7:40 AM EDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
72°
Mostly Cloudy
as of 6:56 AM EDST
Rel. Humidity: 78%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 12000ft
Current Conditions at
HARRISBURG - (KCXY)
72°
Clear
as of 6:56 AM EDST
Rel. Humidity: 78%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 90. Calm wind becoming west around 6 mph in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 72. South wind 3 to 6 mph.
Sunny on Sunday Sunday... Sunny and hot, with a high near 96. Heat index values as high as 103. West wind 6 to 9 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 75. West wind around 6 mph becoming calm after midnight.
Sunny on Monday Monday... Sunny and hot, with a high near 98. Calm wind becoming northwest around 6 mph in the morning.
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.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 76.
Sunny on Wednesday Wednesday... Sunny and hot, with a high near 96.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
40% chance of rain Thursday Thursday... A chance of showers. Mostly sunny and hot, with a high near 93. Chance of precipitation is 40%.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
40% chance of rain Friday Friday... A chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Valley Forge, Pennsylvania
Sunrise: 05:38 AM
Sunset: 8:39 PM
Civil Sunrise:05:06 AM
Civil Sunset: 9:12 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:54 PM
Astro Sunrise: 03:35 AM
Astro Sunset: 10:42 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.