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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

12°F

-11°C

Humidity 73%
Wind Speed W 10 mph
Barometer 29.80 in (1012.0 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 15 Jan 9:53 pm EST
Extended Forecast for

Castle Shannon PA

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Wind chill values as low as zero. Southwest wind 9 to 13 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Scattered snow showers, mainly between 10am and 2pm. Increasing clouds, with a high near 35. South wind 9 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 30. Southwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers before 1pm, then snow showers likely, possibly mixed with rain between 1pm and 4pm, then snow showers likely after 4pm. High near 38. Southwest wind 8 to 13 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Showers
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Scattered snow showers, mainly before 1am. Mostly cloudy, with a low around 17. West wind around 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Scattered
    Snow Showers

  • Sunday

    Sunday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Scattered snow showers. Partly sunny, with a high near 23. Breezy. Chance of precipitation is 30%.

    High: 23 °F

    Scattered
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. Wind chill values as low as zero. Southwest wind 9 to 13 mph.
Friday
Scattered snow showers, mainly between 10am and 2pm. Increasing clouds, with a high near 35. South wind 9 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 30. Southwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers before 1pm, then snow showers likely, possibly mixed with rain between 1pm and 4pm, then snow showers likely after 4pm. High near 38. Southwest wind 8 to 13 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Scattered snow showers, mainly before 1am. Mostly cloudy, with a low around 17. West wind around 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 15.
M.L.King Day
Scattered snow showers. Partly sunny, with a high near 23. Breezy. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny and cold, with a high near 15.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Scattered snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.37°N 80.02°W (Elev. 1109 ft)
Last Update:
9:52 pm EST Jan 15, 2026
Forecast Valid:
10pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation