South Williamsport, Pennsylvania Weather
South Williamsport, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for South Williamsport, Lycoming County.
Flight conditions near South Williamsport. Data source: locating…
About South Williamsport, Pennsylvania
South Williamsport unfolds along the Susquehanna River, a broad, patient ribbon of water that shapes its northern edge. The land here rises gently from the riverbanks, a welcoming undulation of green that gathers into the low, wooded hills of Lycoming County. Streets are lined with sturdy, modest homes, their porches often catching the soft, late-afternoon sun that filters through the mature maple and oak trees. The air, especially in summer, carries a humid, earthy scent, a blend of river dampness and the sweet perfume of mown grass. It’s a place where the sky seems to lean in a little closer, its vastness tempered by the sheltering embrace of the surrounding terrain, and where the quiet hum of everyday life is a constant, comforting presence. The history of South Williamsport is inextricably tied to the river and the industries that once thrived along its shores. Forged in the shadow of its larger neighbor, Williamsport, it developed its own distinct character, often serving as a working-class hub. The legacy of the lumber era, when this region was a powerhouse of timber production, is still palpable in the sturdy architecture and the ingrained resilience of its people. While heavy industry has largely receded, the spirit of enterprise persists, now seen in the local businesses that dot its main thoroughfares and the steady, dependable pace of its residents. The proximity to the river remains a defining feature, offering quiet spots for reflection and a constant reminder of the powerful natural forces that have shaped this corner of Pennsylvania.
Live animated radar for South Williamsport 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 | South Williamsport, Lycoming County, Pennsylvania |
| Coordinates | 41.232023°N, 76.999134°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 17702 |
| 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 South Williamsport, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for South Williamsport, 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 South Williamsport includes coordinates 41.232023°N, 76.999134°W, situated in Lycoming County. ZIP code 17702. 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.
