St. Marys, Ohio — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for St. Marys, Auglaize County.
Flight conditions near St. Marys — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Live animated radar for St. Marys and surroundings — RainViewer.
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St. Marys exhales a quiet, Midwestern breath, its landscape a gentle conversation between fertile fields and the subtle embrace of water. 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. Rolling farmland, etched with the straight lines of cultivation, gives way to the more sinuous curves of the Auglaize River and the expansive shimmer of Grand Lake St. Marys. The air here, particularly as the sun begins its slow descent, carries a damp, earthy scent, mingling with the distant hum of tractors and the sharp, sweet perfume of newly mown grass. The houses, many with wide porches and mature trees casting dappled shade, seem to settle comfortably into the land, their brick and clapboard weathered by decades of sun and snow. The history of St. Marys is deeply entwined with the water that defines it, from its early days as a port on the Miami and Erie Canal to its present-day status as a vibrant hub for recreational boating on Grand Lake. This vast, man-made lake, once a vital artery for commerce, now draws visitors and residents alike with its beaches and opportunities for fishing and watersports, infusing the local economy with a lively summer spirit. The town’s industrial past, marked by manufacturing and agriculture, still echoes in the sturdy architecture and the enduring work ethic of its people, a blend of practicality and a deep-rooted connection to the soil and the surrounding waterways. St. Marys carries the grace of a place that understands the ebb and flow of seasons, a rhythm dictated as much by the agricultural cycle as by the lapping of waves against the shore.
| Location | St. Marys, Auglaize County, Ohio |
| Coordinates | 40.54227°N, 84.389396°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 45885 |
| Area Code | 234, 330 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |