Marco
Island, Florida Current Weather Forecast last updated at: 2:31 pm EDT Jul 20, 2026
This Afternoon High: 91 °F
Tonight
Low: 80 °F
Tuesday
High: 91 °F
Tuesday Night Low: 79 °F
Wednesday
High: 92 °F
Wednesday Night Low: 78 °F
Thursday
High: 93 °F
Thursday Night Low: 79 °F
Friday
High: 90 °F
Mostly Sunny and Windy
Partly Cloudy
Slight Chance T-storms then Mostly Sunny and Breezy
Partly Cloudy
Sunny then Slight Chance T-storms
Slight Chance T-storms then Mostly Clear
Sunny then Slight Chance T-storms
Slight Chance T-storms then Mostly Clear
Sunny then Chance T-storms
This Afternoon: Mostly sunny, with a high near 91. Heat index values as high as 105. Windy, with a south wind around 21 mph, with gusts as high as 29 mph.