Sanibel, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sanibel, a city in Lee County, Florida.
Tonight
78°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 1am, then isolated showers and thunderstorms. Partly cloudy, with a low around 78. East wind around 8 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 |
|---|---|---|---|---|
| Tonight | 78°F | Scattered Showers And Thunderstorms | 8 mph E | 43% |
| Sunday | 88°F | Isolated Showers And Thunderstorms | 7 mph SE | 46% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 5 to 9 mph ENE | 56% |
| Monday | 88°F | Widespread Showers And Thunderstorms | 8 mph SE | 75% |
| Monday Night | 78°F | Widespread Showers And Thunderstorms | 9 mph SSE | 76% |
| Tuesday | 88°F | Widespread Showers And Thunderstorms | 8 mph S | 75% |
| Tuesday Night | 80°F | Widespread Showers And Thunderstorms | 9 mph SSE | 75% |
| Wednesday | 88°F | Showers And Thunderstorms | 8 mph SE | 77% |
| Wednesday Night | 79°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 8 to 12 mph E | 77% |
| Thursday | 88°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 12 mph E | 61% |
| Thursday Night | 79°F | Chance Showers And Thunderstorms | 13 mph NNE | 61% |
| Friday | 88°F | Scattered Showers And Thunderstorms | 8 to 14 mph NE | 48% |
| Friday Night | 78°F | Scattered Showers And Thunderstorms | 10 to 14 mph NE | 48% |
| Saturday | 88°F | Scattered Showers And Thunderstorms | 8 to 13 mph NE | 46% |
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
Nearby towns & communities
Alva
Bokeelia
Bonita Springs
Buckingham
Cape Coral
Captiva
Charleston Park
Cypress Lake
Estero
Florida Gulf Coast University
Fort Denaud
Fort Myers
Fort Myers Beach
Fort Myers Shores
Gateway
Harlem Heights
Iona
Lehigh Acres
Lochmoor Waterway Estates
Matlacha
Matlacha Isles-Matlacha Shores
McGregor
North Fort Myers
Olga
Page Park
Palmona Park
Pine Island Center
Pine Manor
Pineland
Punta Rassa
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 Sep 20, 2026.