Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Thunderstorm in Vicinity Rain Fog/Mist
65°F
18°C
| Humidity | 90% |
| Wind Speed | W 12 G 30 mph |
| Barometer | 29.79 in (1008.9 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 2.00 mi |
| Last update | 18 Apr 5:53 pm EDT |
Extended Forecast for
Castle Shannon PA
Tonight
Low: 42 °F
Showers
Sunday
High: 54 °F
Gradual
ClearingSunday Night
Low: 34 °F
Chance
Showers then
Chance
Rain/SnowMonday
High: 46 °F
Mostly Sunny
Monday Night
Low: 28 °F
Mostly Clear
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 51 °F
Chance
ShowersWednesday
High: 69 °F
Chance
ShowersWednesday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Tonight
Showers, mainly before 2am. Low around 42. West wind 11 to 14 mph becoming northwest in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 54. West wind 13 to 17 mph, with gusts as high as 29 mph.
Sunday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 46. Northwest wind 10 to 14 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 63.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
5:51 pm EDT Apr 18, 2026
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
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