


Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Fog/Mist
69°F
21°C
Humidity | 96% |
Wind Speed | S 3 mph |
Barometer | 29.95 in (1013.7 mb) |
Dewpoint | 68°F (20°C) |
Visibility | 4.00 mi |
Last update | 13 Aug 6:53 am EDT |
Extended Forecast for
Castle Shannon PA
Today
High: 83 °F
Scattered
T-storms then
T-stormsTonight
Low: 69 °F
T-storms
LikelyThursday
High: 86 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 65 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 90 °F
Hot
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 92 °F
Sunny then
Chance
T-storms
Detailed Forecast
Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 83. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. North wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 65. Northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 89. Light northeast wind.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 90.
Saturday Night
Mostly clear, with a low around 69.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Castle Shannon PA
40.37°N 80.02°W (Elev. 1109 ft)
40.37°N 80.02°W (Elev. 1109 ft)
7:05 am EDT Aug 13, 2025
7am EDT Aug 13, 2025-6pm EDT Aug 19, 2025