Marine Weather Net

Captiva, FL Weather Forecast


Marine Forecast: Bonita Beach to Englewood FL


Captiva, Florida

 Lat: 26.52N, Lon: 82.19W

Current Conditions Updated: 853 AM EDT WED AUG 19 2026

Clear


Temp: 87°F
  • Humidity:
  • 74%
  • Winds:
  • 8 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.01 in.
  • Dewpoint:
  • 78°F
  • Heat index:
  • 100°F

  • Sunrise:
  • 7:01 AM EDT
  • Sunset:
  • 8:00 PM EDT
  • Moonrise:
  • 1:42 PM EDT
  • Moonset:
  • N/A EDT

REST OF TODAY

SUNNY

Hi: 91°F
Lo: 77°F
Precip: 40%

THURSDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 77°F
Precip: 50%

FRIDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 80°F
Precip: 50%

SUNDAY

SUNNY

Hi: 91°F
Lo: 79°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 817 AM EDT Wed Aug 19 2026

HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
Rest Of Today...Sunny. Scattered showers with isolated thunderstorms this afternoon. Highs in the lower 90s. Northwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 111.
Tonight...Partly cloudy with isolated showers and thunderstorms. Humid with lows in the upper 70s. Northwest winds 10 to 15 mph. Chance of rain 20 percent.
Thursday...Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 110.
Thursday Night...Partly cloudy with scattered showers. Scattered thunderstorms, mainly in the evening. Humid with lows in the upper 70s. West winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 40 percent.
Friday...Mostly sunny with scattered showers. Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107.
Friday Night...Partly cloudy with isolated showers and thunderstorms. Lows around 80. Highs in the lower 90s. Chance of rain 20 percent.
Saturday...Partly cloudy with isolated showers and thunderstorms. Lows around 80. Highs in the lower 90s. Chance of rain 20 percent.
Sunday...Sunny with isolated showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.
Sunday Night...Partly cloudy. Isolated showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent.
Monday...Sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
Monday Night...Partly cloudy with scattered showers and thunderstorms in the evening, then mostly clear with isolated showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 40 percent.
Tuesday...Sunny. Scattered showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 110.
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