Saint Clair, Pennsylvania Weather
Saint Clair, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Saint Clair, Westmoreland County.
Flight conditions near Saint Clair. Data source: locating…
Soil conditions, frost risk and crop weather for Saint Clair.
About Saint Clair, Pennsylvania
Saint Clair breathes a quiet resilience, its landscape a gentle embrace of rolling hills that spill into the broader Appalachian foothills. It lies 10.5 miles east-south-east of North Huntingdon, PA (from North Huntingdon, PA: bearing 114°T), and is situated 2.3 miles south-south-west of Greensburg. The air here, especially after a spring rain, carries the damp, earthy scent of fertile soil and the faintest whisper of coal dust, a legacy etched into the very contours of the land. The terrain, a subtle dance of rise and fall, shapes the way the sunlight falls, casting long, soft shadows in the late afternoon that paint the modest homes and sturdy trees with a mellow, golden hue. It is a place where the sky feels vast, a canvas for scudding clouds and the bold arc of a summer sunset, and where the quiet hum of daily life is punctuated by the distant rumble of a train, a constant reminder of connection to the wider world. The story of Saint Clair is deeply intertwined with the veins of anthracite coal that once pulsed beneath its surface, fueling industry and shaping the lives of generations. This rich seam of history is evident in the sturdy brick buildings that still stand, remnants of a more boisterous era, and in the enduring spirit of its people, who know the value of hard work and community. While the mines have largely fallen silent, the echoes of that era linger, a quiet undercurrent to the town's present-day character, which leans towards small-scale commerce and the simple pleasures of a life lived at a human pace. The Loyalhanna Creek, a ribbon of cool water, winds its way through the vicinity, offering a tranquil counterpoint to the industrial past, a place for quiet reflection and the enduring beauty of nature’s persistent renewal.
Live animated radar for Saint Clair and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Saint Clair, Westmoreland County, Pennsylvania |
| Coordinates | 40.268681°N, 79.548373°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 15042, 15210, 15601, 17970 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Saint Clair, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for Saint Clair, Pennsylvania, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Saint Clair includes coordinates 40.268681°N, 79.548373°W, situated in Westmoreland County. ZIP code 15042, 15210, 15601, 17970. Telephone area code: 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
