Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Light Rain Fog/Mist
73°F
23°C
| Humidity | 87% |
| Wind Speed | S 10 mph |
| Barometer | 29.78 in (1008.0 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 3.00 mi |
| Last update | 21 Jul 12:53 pm EDT |
Extended Forecast for
Castle Shannon PA
Flood Watch until July 21, 11:00pm
NOW until 11:00pm Tue
Flood Watch
This Afternoon
High: 82 °F
Severe
ThunderstormsTonight
Low: 64 °F
Severe
Thunderstorms
then Showers
LikelyWednesday
High: 75 °F
Partly Sunny
Wednesday Night
Low: 55 °F
Partly Cloudy
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 82 °F
Partly Sunny
Friday Night
Low: 63 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a high near 82. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 64. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 75. Northwest wind around 11 mph.
Wednesday Night
Partly cloudy, with a low around 55. North wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny, with a high near 77. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 57.
Friday
Partly sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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)
12:51 pm EDT Jul 21, 2026
1pm EDT Jul 21, 2026-6pm EDT Jul 27, 2026
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