Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

40°F

4°C

Humidity 65%
Wind Speed NW 10 mph
Barometer 30.14 in (1021.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 6 Apr 1:53 am EDT
Extended Forecast for

Castle Shannon PA

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West wind 9 to 13 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers after 10am.  Increasing clouds, with a high near 52. Southwest wind 8 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers before 2am.  Mostly cloudy, with a low around 32. West wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Low: 32 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Northwest wind 11 to 14 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North wind around 6 mph becoming northeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West wind 9 to 13 mph.
Monday
Scattered showers after 10am. Increasing clouds, with a high near 52. Southwest wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Isolated showers before 2am. Mostly cloudy, with a low around 32. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 43. Northwest wind 11 to 14 mph.
Tuesday Night
Mostly clear, with a low around 27. North wind around 6 mph becoming northeast after midnight.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Castle Shannon PA
 40.37°N 80.02°W (Elev. 1109 ft)
2:21 am EDT Apr 6, 2026
2am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database