Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast with Haze

7°F

-14°C

Humidity 76%
Wind Speed W 15 G 25 mph
Barometer 30.16 in (1024.5 mb)
Dewpoint 1°F (-17°C)
Visibility 4.00 mi
Wind Chill-10°F (-23°C)
Last update 27 Jan 12:53 am EST
Extended Forecast for

Castle Shannon PA

Cold Weather Advisory January 27, 07:00pm until January 28, 11:00am
Extreme Cold Warning January 27, 01:17am until January 27, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 27, 01:17am until January 27, 11:00am

    NOW until 11:00am Tue

    Extreme Cold Warning

  • Overnight

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after 4pm.  Mostly cloudy, with a high near 18. Wind chill values as low as -18. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 7pm.  Mostly cloudy, with a low around -1. Wind chill values as low as -14. West wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: -1 °F

    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny and cold, with a high near 13. Wind chill values as low as -15. Southwest wind 7 to 11 mph.

    High: 13 °F

    Cold

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. West wind around 9 mph.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 1pm.  Partly sunny, with a high near 16. Chance of precipitation is 20%.

    High: 16 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 12.

    High: 12 °F

    Cold

Detailed Forecast

Overnight
Partly cloudy, with a low around 0. Wind chill values as low as -18. Southwest wind around 14 mph.
Tuesday
A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -18. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow before 7pm. Mostly cloudy, with a low around -1. Wind chill values as low as -14. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Partly sunny and cold, with a high near 13. Wind chill values as low as -15. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 2. West wind around 9 mph.
Thursday
A slight chance of snow before 1pm. Partly sunny, with a high near 16. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -8.
Friday
Partly sunny and cold, with a high near 12.
Friday Night
Partly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 14.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.37°N 80.02°W (Elev. 1109 ft)
12:16 am EST Jan 27, 2026
1am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
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Additional Resources

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