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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.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near South Williamsport — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for South Williamsport and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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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.

LocationSouth Williamsport, Lycoming County, Pennsylvania
Coordinates41.232023°N, 76.999134°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)17702
Area Code215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service