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, Allegheny 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 rests in a valley where the land begins to fold and rise, a place where the remnants of steeper hills give way to a more settled, undulating terrain. It lies 2.1 miles south-east of Pittsburgh, PA (from Pittsburgh, PA: bearing 142°T), and is situated 9.1 miles south-west of Penn Hills. The air here, especially in the late afternoon, carries a certain dampness, a subtle scent of earth and the distant hum of traffic that never quite fades. Creeks, often barely more than trickles in drier months, snake through the hollows, their banks fringed with tenacious scrub and the occasional stoic oak. The houses, a mix of modest brick and weathered clapboard, seem to cling to the slopes, their windows catching the shifting light as clouds drift overhead, casting fleeting shadows across the rooftops. It is a landscape that feels lived-in, shaped by the persistent efforts of those who have called it home for generations, a quiet resilience evident in the tenacious greenery pushing through cracks in pavement and the sturdy, unpretentious architecture. The story of Saint Clair is deeply intertwined with the industry that once defined this corner of Allegheny County. Coal mining, a demanding and often perilous endeavor, was the lifeblood for many families, and the echoes of that era can still be felt in the topography and the very character of the place. While the mines have long since fallen silent, the legacy of hard work and community persists, a quiet dignity that permeates daily life. Local businesses, from hardware stores to diners, serve as anchors, their doors open to a steady stream of familiar faces. The nearby hills, now reforested and softened by time, offer a different kind of resource, a quiet refuge for those seeking a breath of fresh air, a reminder of the enduring natural beauty that underpins Saint Clair's enduring spirit.
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, Allegheny County, Pennsylvania |
| Coordinates | 40.416458°N, 79.971441°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 40.416458°N, 79.971441°W, situated in Allegheny 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.
