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Marathon High School, FL Weather Forecast
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Marathon High School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | | | | | | |
| Mostly Sunny | Mostly Cloudy | 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: 85°FHi: 29°C | Lo: 79°FLo: 26°C | Hi: 89°FHi: 32°C | Lo: 79°FLo: 26°C | Hi: 89°FHi: 32°C | Lo: 79°FLo: 26°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 79°FLo: 26°C | Hi: 89°FHi: 32°C Lo: 79°FLo: 26°C | Lo: 80°FLo: 27°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 80°FLo: 27°C |
| POP: 20% | POP: 60% | POP: 70% | POP: 70% | POP: 60% | POP: 80% | POP: 80% | POP: 60% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 349 AM EDT Sun Sep 27 2026 
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Issued: 152 PM EDT Sun Sep 27 2026
Key Messages
- Saltwater flooding of low elevation streets and lots is likely through this week due to a potent King Tide. Don`t drive through flooded roadways. Boaters can expect less clearance under fixed bridges.
- A Coastal Flood Advisory is in effect for the Lower to Middle Keys, and a Coastal Flood Warning is in effect for the Upper Keys..
- Northeasterly swell from a Nor`easter off the East Coast will continue to produce 2 to 4 foot seas through tonight in the eastern Straits of Florida.
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