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Charlestown, Pennsylvania Weather

Charlestown, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Charlestown, Armstrong 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 Charlestown. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Charlestown.

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About Charlestown, Pennsylvania

Charlestown lies cradled in a fold of rolling hills, where the land breathes a quiet, earthy scent after a spring rain. It lies 41.0 miles north-east of Plum, PA (from Plum, PA: bearing 39°T), and is situated 4.8 miles south-east of New Bethlehem. The terrain here is a study in gentle ascents and descents, a patchwork of mature forests and cultivated fields that follow the land's natural contours. Sunlight, when it breaks through the frequent cloud cover, has a diffused quality, softening the edges of the weathered barns and the occasional sturdy brick house. The air itself feels substantial, carrying the dampness of the nearby Allegheny River and the subtle, sweet perfume of honeysuckle that climbs over forgotten fences. Life in Charlestown unfolds at a pace dictated by the seasons and the slow, deliberate growth of the trees that ring its periphery. The economic pulse of Charlestown has long been tied to the bounty of the land and the industry that sought to extract it. Once, coal mines honeycombed the hillsides, their shadows a constant reminder of the labor that shaped the community. Though the mines are largely silent now, the legacy of that era is etched into the character of the place, a resilience forged in hard work. Agriculture remains a steady presence, with family farms still coaxing sustenance from the fertile soil, their harvests contributing to the local markets. The Allegheny River, a broad, indifferent ribbon of water, has always been a silent witness, its currents carrying whispers of steamboats and the commerce of bygone days, and it continues to offer a quiet respite, its banks a place for contemplation and the occasional fisherman casting a line.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Charlestown 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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LocationCharlestown, Armstrong County, Pennsylvania
Coordinates40.960621°N, 79.25615°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)19460, 16242, 17236, 19425
Area Code215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Charlestown, Pennsylvania Weather Page

This page provides live weather conditions and forecasts for Charlestown, 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 Charlestown includes coordinates 40.960621°N, 79.256150°W, situated in Armstrong County. ZIP code 19460, 16242, 17236, 19425. 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.