Upper St. Clair, PA Weather Forecast
Allegheny County, Pennsylvania
Live radar, warnings and storm tracking for Upper St. Clair, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Upper St. Clair
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Upper St. Clair, PA at a glance
Upper St. Clair is home to about 20,581 people in Allegheny County, across 9.8 square miles. It ranks 88th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Bridgeville, 2 miles away.
- County
- Allegheny County
- Population
- 20,581 2023 est.
- Land area
- 9.8 sq mi
- People per sq mi
- 2,097
- Forecast point
- 40.3336°N, 80.0842°W
How well can the network see Upper St. Clair?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the NNW. Its lowest scan passes about 830 ft above Upper St. Clair. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Upper St. Clair show up clearly. Upper St. Clair is closer to its radar than 90% of US cities.
The closest weather station is KAGC (Pittsburgh/Allegheny Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Upper St. Clair
- Bridgeville, PA2 mi
- Bethel Park, PA3 mi
- Mount Lebanon, PA4 mi
- Scott, PA4 mi
- Castle Shannon, PA4 mi
- Peters, PA4 mi
- Dormont, PA5 mi
- Carnegie, PA5 mi
Elsewhere in Pennsylvania
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