Sanibel, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sanibel, a city in Lee County, Florida.
Today
89°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 100. West southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sanibel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Scattered Showers And Thunderstorms | 6 to 9 mph WSW | 42% |
| Tonight | 79°F | Scattered Showers And Thunderstorms | 6 to 9 mph ESE | 30% |
| Wednesday | 89°F | Scattered Showers And Thunderstorms | 8 mph S | 42% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 12 mph ENE | 65% |
| Thursday | 91°F | Isolated Showers And Thunderstorms | 8 to 12 mph ENE | 81% |
| Thursday Night | 78°F | Widespread Showers And Thunderstorms then Mostly Cloudy | 10 to 14 mph ENE | 81% |
| Friday | 90°F | Isolated Showers And Thunderstorms | 8 to 14 mph E | 72% |
| Friday Night | 79°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 to 13 mph E | 72% |
| Saturday | 89°F | Scattered Showers And Thunderstorms | 9 to 13 mph SSE | 68% |
| Saturday Night | 80°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 6 to 10 mph SSE | 68% |
| Sunday | 90°F | Sunny then Scattered Showers And Thunderstorms | 6 to 12 mph SSE | 50% |
| Sunday Night | 80°F | Scattered Showers And Thunderstorms | 6 to 9 mph E | 50% |
| Monday | 90°F | Sunny then Scattered Showers And Thunderstorms | 7 to 10 mph SSE | 41% |
| Monday Night | 80°F | Scattered Showers And Thunderstorms | 6 to 9 mph ENE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Sanibel (26.451, -82.106). Updated through the day.
Growing snapshot for Sanibel
Last spring frost
Jan 16
First fall frost
Jan 13
Growing season
365 days
Hardiness zone
10b
More local growing data for Sanibel: nearby ZIP 33957 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, Ft Myers Page Fld Ap, Fl (17.1 mi from Sanibel). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.