Hazardous Weather Conditions
Current conditions at
Pottstown, Pottstown Limerick Airport (KPTW)
Lat: 40.24°NLon: 75.55°WElev: 288ft.
Fair
92°F
33°C
| Humidity | 33% |
| Wind Speed | S 7 mph |
| Barometer | 30.10 in (1018.9 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 18 May 5:54 pm EDT |
Extended Forecast for
Valley Forge PA
Heat Advisory May 18, 06:21pm until May 19, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
Tonight
Low: 70 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
Tuesday Night
Low: 73 °F
Partly Cloudy
Wednesday
High: 92 °F
Sunny then
ShowersWednesday Night
Low: 55 °F
Showers
Thursday
High: 69 °F
Chance
ShowersThursday Night
Low: 50 °F
Mostly Cloudy
Friday
High: 67 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 92. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 55. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Friday Night
Showers likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Saturday
Showers. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Valley Forge PA
40.08°N 75.48°W (Elev. 230 ft)
40.08°N 75.48°W (Elev. 230 ft)
4:08 pm EDT May 18, 2026
6pm EDT May 18, 2026-6pm EDT May 25, 2026
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