Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Fair
18°F
-8°C
| Humidity | 81% |
| Wind Speed | SE 6 mph |
| Barometer | 30.29 in (1028.5 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 9.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 18 Mar 8:53 am EDT |
Extended Forecast for
Castle Shannon PA
Today
High: 38 °F
Partly Sunny
Tonight
Low: 33 °F
Mostly Cloudy
Thursday
High: 51 °F
Mostly Cloudy
then Slight
Chance RainThursday Night
Low: 36 °F
Slight Chance
RainFriday
High: 60 °F
Mostly Cloudy
then Chance
RainFriday Night
Low: 46 °F
Rain Likely
Saturday
High: 63 °F
Chance Rain
then Partly
SunnySaturday Night
Low: 46 °F
Mostly Cloudy
Sunday
High: 66 °F
Chance Rain
Detailed Forecast
Today
Partly sunny, with a high near 38. South wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 33. South wind around 7 mph.
Thursday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 51. South wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain before 2am. Mostly cloudy, with a low around 36. West wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 60. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain and thunderstorms before 8pm, then rain likely and possibly a thunderstorm between 8pm and 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 52.
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)
5:31 am EDT Mar 18, 2026
9am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
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