Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Overcast
72°F
22°C
| Humidity | 59% |
| Wind Speed | S 9 mph |
| Barometer | 29.68 in (1004.8 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jun 9:53 pm EDT |
Extended Forecast for
Upper St. Clair PA
Tonight
Low: 67 °F
Slight Chance
Showers then
ShowersThursday
High: 81 °F
Breezy.
Showers then
SunnyThursday Night
Low: 58 °F
Partly Cloudy
Juneteenth
High: 76 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 58 °F
Partly Cloudy
Sunday
High: 79 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 62 °F
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 67. South wind 10 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 11am. High near 81. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 58. West wind 6 to 14 mph.
Juneteenth
Sunny, with a high near 76. West wind 7 to 16 mph.
Friday Night
Mostly clear, with a low around 57. West wind 6 to 10 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 62. Chance of precipitation is 80%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Upper St. Clair PA
40.33°N 80.06°W (Elev. 1099 ft)
40.33°N 80.06°W (Elev. 1099 ft)
7:31 pm EDT Jun 17, 2026
10pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
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