Weather in Saint Marys, PA
Updated 2026-08-11 12:15 local time · ZIP codes 15857

Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
68°25% rain
73°16% rain
74°15% rain
76°11% rain
77°10% rain
77°10% rain
76°22% rain
70°90% rain
70°36% rain
70°66% rain
69°68% rain
68°51% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 90% over the next 12 hours.
It feels like 68°F with winds near 7 mph.
77°F, 10% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 9 mph.
Current temperature is 68°F, wind 7 mph, rain chance up to 90%.
UV index is 2.
Saint Marys weather today
Cloudy and 68°F in Saint Marys, PA. Today's high is 77°F with a 87% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 88%, pressure is 30.00 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Saint Marys
Sunrise is at 06:19 AM and sunset is at 08:19 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 57°F. The maximum rain chance is 68%.