Costin, FL Weather Forecast
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Costin Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C |
| POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 223 AM EDT Tue Oct 27 2026 

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Issued: 611 AM EDT Tue Oct 27 2026
Key Messages
Updated at 611 AM EDT Tue Oct 27 2026- Fresh northeast breezes over the Gulf waters will continue to support a prolonged period of hazardous marine conditions through about Friday morning.
- Rain-free weather and above normal temperatures are expected through Saturday. The next chance of rain is forecast on Sunday.
Aviation
... (12Z TAFS) Issued at 611 AM EDT Tue Oct 27 2026
VFR TAFs through the period. Northeast winds will maximize around 5-10 kts from late this morning until sunset.
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