Sanibel, FL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sanibel, FL in one place.
Mostly sunny, with a high near 92. Heat index values as high as 102. South wind 6 to 12 mph.
Local Weather Overview
This forecast page for Sanibel, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 8:48 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Sanibel, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:48 PM EDT
- Forecast office
- TBW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sanibel
Wednesday looks like the warmest upcoming period in Sanibel at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 82 degrees F.
The strongest winds are forecast for Friday at about 6 to 14 mph NNW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:48 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- TBW
- Radar station
- KTBW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated showers and thunderstorms between 10pm and 11pm. Mostly cloudy, with a low around 82. Heat index values as high as 102. North northwest wind 7 to 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 92. Heat index values as high as 103. North northwest wind 6 to 13 mph.
Partly cloudy, with a low around 83. North northwest wind 8 to 13 mph.
Mostly sunny, with a high near 91. North northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Isolated showers and thunderstorms after 2am. Partly cloudy, with a low around 83. Northwest wind 5 to 14 mph. Chance of precipitation is 20%.
Isolated showers and thunderstorms. Sunny, with a high near 89. West northwest wind 5 to 13 mph. Chance of precipitation is 20%.
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. West southwest wind 8 to 12 mph. Chance of precipitation is 30%.
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Scattered showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 30%.
Scattered showers and thunderstorms. Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny
|
92°F |
6 to 12 mph
S
|
|
Wednesday Night
Jul 15
|
Isolated Showers And Thunderstorms then Mostly Cloudy
|
82°F |
7 to 12 mph
NNW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
92°F |
6 to 13 mph
NNW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
83°F |
8 to 13 mph
NNW
|
|
Friday
Jul 17
|
Mostly Sunny
|
91°F |
6 to 14 mph
NNW
|
|
Friday Night
Jul 17
|
Partly Cloudy then Isolated Showers And Thunderstorms
|
83°F |
5 to 14 mph
NW
|
|
Saturday
Jul 18
|
Isolated Showers And Thunderstorms
|
89°F |
5 to 13 mph
WNW
|
|
Saturday Night
Jul 18
|
Scattered Showers And Thunderstorms
|
83°F |
8 to 12 mph
WSW
|
|
Sunday
Jul 19
|
Scattered Showers And Thunderstorms
|
89°F |
8 to 14 mph
SW
|
|
Sunday Night
Jul 19
|
Scattered Showers And Thunderstorms
|
83°F |
9 to 13 mph
WSW
|
|
Monday
Jul 20
|
Scattered Showers And Thunderstorms
|
89°F |
9 to 14 mph
WSW
|
|
Monday Night
Jul 20
|
Scattered Showers And Thunderstorms
|
83°F |
8 to 14 mph
WSW
|
|
Tuesday
Jul 21
|
Scattered Showers And Thunderstorms
|
89°F |
8 to 13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sanibel.