Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Overcast
36°F
2°C
| Humidity | 67% |
| Wind Speed | S 9 mph |
| Barometer | 30.07 in (1019.8 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 9.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 30 Nov 3:53 am EST |
Extended Forecast for
Castle Shannon PA
Overnight

Low: 31 °F
Chance Snow
Sunday
High: 44 °F
Breezy.
Chance
Rain/Snow
then Chance
RainSunday Night

Low: 27 °F
Mostly Cloudy
Monday

High: 35 °F
Partly Sunny
Monday Night
Low: 28 °F
Mostly Cloudy
then SnowTuesday

High: 35 °F
Snow
Tuesday Night

Low: 22 °F
Mostly Cloudy
Wednesday

High: 34 °F
Partly Sunny
Wednesday Night

Low: 26 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of snow. Cloudy, with a low around 31. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 9am, then a chance of rain between 9am and 1pm. Mostly cloudy, with a high near 44. Breezy, with a west wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 27. West wind 9 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 35. Northwest wind around 6 mph becoming calm in the morning.
Monday Night
Snow after 1am. Low around 28. East wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow, mainly before 1pm. High near 35. Chance of precipitation is 80%.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Friday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Castle Shannon PA
40.37°N 80.02°W (Elev. 1109 ft)
40.37°N 80.02°W (Elev. 1109 ft)
1:16 am EST Nov 30, 2025
4am EST Nov 30, 2025-6pm EST Dec 6, 2025


