Weather in Mercersburg, Pennsylvania
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 07:27 PM ET · Refreshes every hour
60°F
Overcast
Feels like 62°F
93%
Humidity
3 mph
Wind Speed
About Weather in Mercersburg
Mercersburg is located in Pennsylvania (coordinates: 39.831886°N, 77.90289°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.