


Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Mostly Cloudy
69°F
21°C
Humidity | 63% |
Wind Speed | S 6 mph |
Barometer | 30.16 in (1020.9 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 10.00 mi |
Last update | 6 Oct 11:53 pm EDT |
Extended Forecast for
Upper St. Clair PA
Overnight
Low: 61 °F
Showers
LikelyTuesday
High: 70 °F
Showers
Likely then
ShowersTuesday Night
Low: 52 °F
Showers
Wednesday
High: 64 °F
Decreasing
CloudsWednesday Night
Low: 39 °F
Clear
Thursday
High: 61 °F
Sunny
Thursday Night
Low: 38 °F
Clear
Friday
High: 66 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely before noon, then showers between noon and 2pm, then showers and possibly a thunderstorm after 2pm. High near 70. South wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 52. Southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 64. North wind 11 to 15 mph.
Wednesday Night
Clear, with a low around 39. Northeast wind 6 to 10 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 45.
Columbus Day
Sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT 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)
11:49 pm EDT Oct 6, 2025
12am EDT Oct 7, 2025-6pm EDT Oct 13, 2025