Weather in Saint Marys, OH
Updated 2026-09-26 10:00 local time · ZIP codes 45885
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
53°10% rain58°7% rain61°4% rain63°3% rain65°2% rain66°2% rain67°1% rain67°2% rain66°3% rain64°4% rain
59°5% rain57°5% 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 10%).
It feels like 51°F with winds near 6 mph.
67°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 53°F, wind 6 mph, rain chance up to 10%.
UV index is 1.
Local weather characteristics in Saint Marys
Ohio has four distinct seasons with humid summers and cold winters. Lake Erie can influence clouds, temperatures and snowfall across northern parts of the state.
Saint Marys is part of the Midwest weather region. The forecast point is near 40.54°N latitude and 84.39°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.
Saint Marys weather today
Sunny and 53°F in Saint Marys, OH. Today's high is 67°F with a 8% rain chance. Winds are around 6 mph with gusts near 8 mph. Relative humidity is 81%, pressure is 30.22 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Marys
Sunrise is at 07:29 AM and sunset is at 07:28 PM. Tomorrow's forecast calls for Sunny with a high near 69°F and a low near 49°F. The maximum rain chance is 4%.