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City of St. Marks, FLSt. Marks, FL 7-Day Weather Forecast
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St. Marks Weather Forecast
St. Marks, FL Weather Forecast Date: 654 PM EDT Sat Sep 05 2026
Weather forecast for St. Marks, FL
Tonight Lo: 75°F Lo: 24°C |
Tonight... Mostly clear. A chance of showers and thunderstorms this evening. Lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 40%. |
Sun Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30%. Heat index values up to 107. |
| Labor Day Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Labor Day... Partly sunny. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs around 90. Northwest winds around 5 mph, becoming south in the afternoon. Chance of rain 90%. |
| Tue Hi: 89°FHi: 32°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly cloudy. Showers with thunderstorms likely. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 80%. |
| Wed Hi: 89°FHi: 32°C Lo: 75°F Lo: 24°C |
Wednesday... Partly cloudy. Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 60%. |
| Thu Hi: 89°FHi: 32°C Lo: 75°F Lo: 24°C |
Thursday... Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 50%. |
| Fri Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Friday... Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the mid 70s. Chance of rain 40%. |
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