Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Fair
62°F
17°C
| Humidity | 73% |
| Wind Speed | NW 3 mph |
| Barometer | 29.73 in (1006.3 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 25 Apr 5:53 am EDT |
Extended Forecast for
Castle Shannon PA
Today

High: 68 °F
Showers
LikelyTonight
Low: 47 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday

High: 65 °F
Decreasing
CloudsSunday Night

Low: 45 °F
Mostly Clear
Monday

High: 72 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
then Slight
Chance
ShowersTuesday

High: 72 °F
Showers
LikelyTuesday Night
Low: 54 °F
Chance
T-storms then
Chance
ShowersWednesday

High: 66 °F
Showers
Likely
Detailed Forecast
Today
Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 47. Northwest wind around 9 mph. Chance of precipitation is 20%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind around 10 mph.
Sunday Night
Mostly clear, with a low around 45. East wind around 8 mph.
Monday
Sunny, with a high near 72. East wind 7 to 10 mph.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 39.
Friday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Additional Forecasts and Information
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)
40.37°N 80.02°W (Elev. 1109 ft)
6:31 am EDT Apr 25, 2026
6am EDT Apr 25, 2026-6pm EDT May 1, 2026


