Weather in West Mifflin, PA
Updated 2026-09-26 11:00 local time · ZIP codes 15122

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°17% rain
62°15% rain
64°11% rain
66°13% rain
67°12% rain
67°13% rain
66°14% rain
67°17% rain
62°20% rain
60°20% rain
58°21% rain
56°25% 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 25%).
It feels like 53°F with winds near 7 mph.
67°F, 12% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 22 mph.
Current temperature is 58°F, wind 7 mph, rain chance up to 25%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in West Mifflin
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
West Mifflin is part of the Northeast weather region. The forecast point is near 40.36°N latitude and 79.87°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.
West Mifflin weather today
Overcast and 58°F in West Mifflin, PA. Today's high is 67°F with a 16% rain chance. Winds are around 7 mph with gusts near 13 mph. Relative humidity is 66%, pressure is 30.11 inHg, and visibility is about 6 miles.
Tonight and tomorrow in West Mifflin
Sunrise is at 07:11 AM and sunset is at 07:10 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 48°F. The maximum rain chance is 16%.