Weather Forecast and Radar for St. Marys, Ohio

Weather in St. Marys, OH

St. Marys, Ohio, United States, experiences all four seasons with varying temperatures throughout the year.

In the winter months, temperatures typically range from the upper 20s to the low 30s (Fahrenheit), with occasional snowfall. Temperatures occasionally drop into the teens during cold snaps, and the occasional snowstorm can bring several inches of accumulation.

In the spring, temperatures slowly rise from the upper 30s to the upper 50s, and occasionally higher. Rainfall is common throughout the season.

In the summer months, temperatures rise to the mid to upper 80s, and sometimes to the low 90s. Humidity levels are often high and rain is common, sometimes in the form of thunderstorms.

In the fall, temperatures gradually decrease from the upper 70s to the mid to upper 50s. Rainfall is common, and occasional snowfall is possible.

Fast Facts About St. Marys, OH

As of 2020, the city population is 8227.

Major Cities Nearby St. Marys, OH

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for St. Marys, Ohio.