Grassy Key, FL Weather Forecast
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Grassy Key Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Partly Sunny | Mostly Cloudy | Partly Sunny | Partly Cloudy | Windy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 67°FLo: 19°C | Hi: 79°FHi: 26°C | Lo: 71°FLo: 22°C | Hi: 80°FHi: 27°C | Lo: 75°FLo: 24°C | Hi: 81°FHi: 27°C | Lo: 75°FLo: 24°C | Hi: 81°FHi: 27°C | Lo: 75°FLo: 24°C | Hi: 81°FHi: 27°C | Lo: 75°FLo: 24°C |
| POP: 30% | POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 357 AM EST Sat Nov 14 2026 

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Issued: 151 PM EST Sat Nov 14 2026
Key Messages
- A Coastal Flood Statement is in effect for the Middle and Upper Keys as ponding of salt water over low lying roads will continue, especially around times of high tide.
- Drier and cooler weather expected to continue through tonight with lows in the upper 60s.
- Breezy to windy conditions are expected to quickly return Sunday night as a strong high pressure settles along the Eastern Seaboard and builds south across our area.
Discussion
... Issued at 151 PM EST Sat Nov 14 2026 A lovely Satur...
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