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Mercersburg, Pennsylvania Weather

Mercersburg, Pennsylvania — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Mercersburg, Franklin 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 Mercersburg — 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 Mercersburg 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

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About Mercersburg, Pennsylvania

Mercersburg rests in a broad valley, a place where the rolling hills of Franklin County begin their gentle ascent towards the Allegheny Mountains. It lies 16.1 miles north-west of Hagerstown, MD (from Hagerstown, MD: bearing 323°T), and is situated 9.7 miles west-north-west of Greencastle. The land here is a quilt of farms, the rich, dark soil yielding corn, soybeans, and tobacco under a sky that often stretches wide and pale, especially in the late afternoon when a soft, golden light bleeds across the fields. The air, particularly in autumn, carries a faint, sweet scent of drying leaves and distant woodsmoke, a tangible presence of the season. The Mercersburg Creek, a modest ribbon of water, winds its way through the periphery, its banks fringed with willows and sycamores, offering a quiet murmur that underscores the placid character of the landscape. The history of Mercersburg is deeply entwined with the agricultural heritage of this fertile region, a legacy that continues to shape its local economy. Founded in the late 18th century, it grew as a crossroads for farmers bringing their produce to market, a tradition that persists with weekend farmers' markets offering the bounty of the surrounding farms. The town boasts a notable connection to education through Mercersburg Academy, a prestigious preparatory school whose historic buildings lend a dignified presence to the town's western edge. This academic institution has drawn individuals of note over the years, contributing a distinct cultural current to the otherwise agrarian rhythm of life in Mercersburg, a place where the past feels not so much buried as comfortably settled into the present.

LocationMercersburg, Franklin County, Pennsylvania
Coordinates39.82787°N, 77.903332°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)17236
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