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City of St. Marks, FLSt. Marks, FL Weather Forecast
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St. Marks Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C Lo: 75°FLo: 24°C |
| POP: 70% | POP: 30% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 90% | POP: 90% | POP: 60% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 954 AM EDT Fri Sep 04 2026 
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Issued: 154 PM EDT Fri Sep 4 2026
Key Messages
Issued at 120 PM EDT Fri Sep 4 2026- Above average temperatures are expected through the middle of next week and beyond, with temperatures persistently running 2-6 degrees above normal for early September. There is a medium chance of dangerous heat index values exceeding 107 degrees through the holiday weekend, mainly across our Florida counties.
- Daily chances of showers and thunderstorms will continue through the Labor Day weekend. The highest rain chances are expected today and Mond...