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.
Flight conditions near Mercersburg. Data source: locating…
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.
Live animated radar for Mercersburg 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 | Mercersburg, Franklin County, Pennsylvania |
| Coordinates | 39.82787°N, 77.903332°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 17236 |
| 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 Mercersburg, Pennsylvania Weather Page
This page provides live weather conditions and forecasts for Mercersburg, 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 Mercersburg includes coordinates 39.827870°N, 77.903332°W, situated in Franklin County. ZIP code 17236. 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.
