National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

47°F

8°C

Humidity 80%
Wind Speed N 8 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 May 2:53 am EDT
Extended Forecast for

2 Miles SW Castle Shannon PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. North wind around 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 61. North wind around 11 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. West wind 6 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. West wind 6 to 8 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. North wind around 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 61. North wind around 11 mph.
Friday Night
Mostly clear, with a low around 39. West wind 6 to 10 mph.
Saturday
Sunny, with a high near 70. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 79.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castle Shannon PA
 40.35°N 80.03°W (Elev. 1198 ft)
Last Update:
1:16 am EDT May 9, 2025
Forecast Valid:
3am EDT May 9, 2025-6pm EDT May 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation