Weather in Mount Union, PA
Updated 2026-09-26 12:00 local time · ZIP codes 17066

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
64°13% rain
65°12% rain
69°10% rain
64°13% rain
63°14% rain
64°13% rain
64°14% rain
62°17% rain
59°20% rain
58°22% rain
58°19% rain
57°11% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 22%).
It feels like 57°F with winds near 12 mph.
69°F, 10% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 64°F, wind 12 mph, rain chance up to 22%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Mount Union
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
Mount Union is part of the Northeast weather region. The forecast point is near 40.38°N latitude and 77.88°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 Union weather today
Overcast and 64°F in Mount Union, PA. Today's high is 69°F with a 11% rain chance. Winds are around 12 mph with gusts near 22 mph. Relative humidity is 54%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mount Union
Sunrise is at 07:03 AM and sunset is at 07:02 PM. Tomorrow's forecast calls for Light drizzle with a high near 62°F and a low near 52°F. The maximum rain chance is 68%.