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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy and Windy

56°F

13°C

Humidity 28%
Wind Speed W 28 G 59 mph
Barometer 29.55 in (1001.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Mar 5:53 pm EDT
Extended Forecast for

Castle Shannon PA

High Wind Warning March 13, 06:11pm until March 14, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 13, 06:11pm until March 14, 12:00am

    NOW until 12:00am Sat

    High Wind Warning

  • Tonight

    Low: 31 °F

    Mostly Clear
    and Windy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 10 to 14 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Light northeast wind becoming east 5 to 9 mph in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 50. Southeast wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain before 2pm, then rain and snow. High near 67. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday Night

    Monday Night: Snow, mainly before 8pm. Low around 22. Breezy. Chance of precipitation is 80%.

    Low: 22 °F

    Breezy. Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28. Breezy.

    High: 28 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Windy, with a west wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 60 mph.
Saturday
Mostly sunny, with a high near 48. West wind 10 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 38. Light northeast wind becoming east 5 to 9 mph in the evening.
Sunday
Mostly cloudy, with a high near 66. Breezy, with a southeast wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 50. Southeast wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday
Rain before 2pm, then rain and snow. High near 67. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Snow, mainly before 8pm. Low around 22. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 28. Breezy.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.35°N 80.03°W (Elev. 1198 ft)
Last Update:
4:26 pm EDT Mar 13, 2026
Forecast Valid:
6pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation