Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Overcast
35°F
2°C
| Humidity | 78% |
| Wind Speed | SW 18 G 26 mph |
| Barometer | 29.94 in (1015.4 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 17 Jan 1:53 pm EST |
Extended Forecast for
Castle Shannon PA
This Afternoon

High: 38 °F
Chance
Rain/SnowTonight

Low: 18 °F
Chance Snow
Sunday

High: 24 °F
Partly Sunny
Sunday Night
Low: 17 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersM.L.King Day

High: 26 °F
Chance Snow
Showers and
BreezyMonday Night

Low: 6 °F
Mostly Cloudy
Tuesday

High: 17 °F
Mostly Sunny
Tuesday Night

Low: 10 °F
Partly Cloudy
Wednesday

High: 37 °F
Partly Sunny
Detailed Forecast
This Afternoon
A chance of snow showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 38. Southwest wind around 14 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow, mainly between midnight and 4am. Mostly cloudy, with a low around 18. West wind around 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Partly sunny, with a high near 24. West wind 7 to 10 mph.
Sunday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 17. Southwest wind 6 to 13 mph. Chance of precipitation is 20%.
M.L.King Day
A chance of snow showers before 1pm. Mostly cloudy, with a high near 26. Breezy, with a west wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Thursday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 31.
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)
12:21 pm EST Jan 17, 2026
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026



