St. Clair, OH 7-Day Weather Forecast
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St. Clair Weather Forecast


St. Clair, OH Weather Forecast Date: 405 AM EDT Sun Sep 06 2026
Weather forecast for St. Clair, OH
| Today Hi: 80°FHi: 27°C Lo: 60°F Lo: 16°C |
Today... Partly cloudy early this morning, then clearing. Highs around 80. Northeast winds 5 to 10 mph. |
| Labor Day Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Labor Day... Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. |
| Tue Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly sunny. Humid with highs in the upper 80s. South winds around 5 mph. |
| Wed Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Wednesday... Partly cloudy in the morning, then clearing. Hot with highs in the lower 90s. |
| Thu Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Thursday... Partly cloudy with showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60%. |
| Fri Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Highs in the lower 80s. |
| Sat Hi: 85°FHi: 29°C |
Saturday... Mostly sunny. Highs in the mid 80s. |
St. Clair Radar Loop
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