Saint Marys, Ohio Weather
Saint Marys, Ohio — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Saint Marys, Auglaize County.
Flight conditions near Saint Marys. Data source: locating…
Soil conditions, frost risk and crop weather for Saint Marys.
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.
Live animated radar for Saint Marys and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Saint 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 | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Saint Marys, Ohio Weather Page
This page provides live weather conditions and forecasts for Saint Marys, Ohio, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Saint Marys includes coordinates 40.542270°N, 84.389396°W, situated in Auglaize County. ZIP code 45885. Telephone area code: 234, 330. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
