Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

31°F

-1°C

Humidity 92%
Wind Speed NW 6 mph
Barometer 29.82 in (1011.5 mb)
Dewpoint 29°F (-2°C)
Visibility 5.00 mi
Wind Chill25°F (-4°C)
Last update 2 Dec 11:53 am EST
Extended Forecast for

Castle Shannon PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 35. Northwest wind 7 to 9 mph.

    High: 35 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Northwest wind around 7 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. Southwest wind 6 to 10 mph.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow after 1am.  Increasing clouds, with a low around 25. Southwest wind 7 to 9 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 1pm.  Mostly cloudy, with a high near 30. Northwest wind 10 to 15 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 35. Northwest wind 7 to 9 mph.
Tonight
Mostly cloudy, with a low around 23. Northwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 33. Southwest wind 6 to 10 mph.
Wednesday Night
A chance of snow after 1am. Increasing clouds, with a low around 25. Southwest wind 7 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 30. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.35°N 80.03°W (Elev. 1198 ft)
12:14 pm EST Dec 2, 2025
12pm EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database