Weather in Mount Gretna, PA
Updated 2026-09-26 10:00 local time · ZIP codes 17064
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°16% rain
64°15% rain
60°40% rain58°31% rain58°35% rain57°68% rain57°47% rain55°69% rain
55°76% rain
56°53% rain56°68% rain
57°26% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 76% over the next 12 hours.
It feels like 52°F with winds near 15 mph.
64°F, 15% rain chance and 17 mph wind.
Visibility is around 6 mi; gusts may reach 38 mph.
Current temperature is 61°F, wind 15 mph, rain chance up to 76%.
UV index is 0.
Local weather characteristics in Mount Gretna
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
Mount Gretna is part of the Northeast weather region. The forecast point is near 40.25°N latitude and 76.47°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Mount Gretna weather today
Overcast and 61°F in Mount Gretna, PA. Today's high is 64°F with a 74% rain chance. Winds are around 15 mph with gusts near 28 mph. Relative humidity is 64%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mount Gretna
Sunrise is at 06:57 AM and sunset is at 06:56 PM. Tomorrow's forecast calls for Overcast with a high near 60°F and a low near 54°F. The maximum rain chance is 84%.