Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

73°F

23°C

Humidity 76%
Wind Speed W 5 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Aug 10:53 am EDT
Extended Forecast for

Castle Shannon PA

  • Today

    Today: Partly sunny, with a high near 82. West wind 5 to 8 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 64. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Monday

    Monday: A chance of showers.  Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. West wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 84. East wind around 5 mph.
Saturday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 86. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 69. Chance of precipitation is 80%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.37°N 80.02°W (Elev. 1109 ft)
6:31 am EDT Aug 13, 2026
11am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
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Additional Resources

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