National Weather Service

News Headlines

Observe down trees, hail, of flooding? We would love to know!

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

73°F

23°C

Humidity	79%
Wind Speed	N 3 mph
Barometer	29.96 in (1014.2 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	5 Sep 10:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Upper St. Clair PA

Today
High: 79 °F
Showers
Likely
Tonight
Low: 60 °F
Chance
T-storms then
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Labor Day
High: 80 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 65 °F
Partly Cloudy
Wednesday
High: 86 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 79. North wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Sunny, with a high near 78. Northeast wind 7 to 10 mph.

Sunday Night

Mostly clear, with a low around 58. Northeast wind 5 to 7 mph.

Labor Day

Sunny, with a high near 80. East wind around 5 mph.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Mostly sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 65.