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Saint Marys, Ohio Weather

Saint Marys, Ohio — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Saint Marys, Auglaize County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Saint Marys — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Saint Marys and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Saint Marys, Ohio

Saint Marys unfolds across a gentle, rolling terrain, a landscape where the broad, fertile fields of western Ohio give way to the subtle curves of the land. It lies 20.3 miles south-west of Lima, OH (from Lima, OH: bearing 227°T), and is situated 9.5 miles east of Celina. Here, the sky feels vast, a canvas often brushed with the soft pastels of dawn and the deep violets of twilight, reflecting the quiet ambition of a place that has always looked to the horizon. The air, especially in the early morning, carries the clean scent of damp earth and ripening corn, a subtle perfume that hints at the agricultural heart of Auglaize County. Trees, mostly deciduous giants and sturdy maples, line the roads and dot the pastures, their leaves whispering secrets to the wind that sweeps across the open spaces. The history of Saint Marys is deeply entwined with the Grand Lake St. Marys, a significant reservoir that not only defines its geography but also its past and present economy. This man-made lake, one of the largest inland bodies of water in Ohio, was originally constructed to supply water for the Miami and Erie Canal, a vital artery of commerce in the 19th century. Though the canal era has faded, the lake remains a cherished recreational hub, drawing visitors for boating, fishing, and a general appreciation of its watery expanse. This legacy of water management and transportation has shaped the character of Saint Marys, fostering a pragmatic, hardworking spirit evident in its local industries, which have evolved from canal-era enterprises to more modern manufacturing and agricultural support. The town carries this history with a quiet dignity, a sense of continuity built on the resilience of its people and the enduring presence of the water.

LocationSaint Marys, Auglaize County, Ohio
Coordinates40.54227°N, 84.389396°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)45885
Area Code234, 330
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service