Marco
Island, Florida Current Weather Forecast last updated at: 4:02 am EDT May 9, 2026
Today
High: 90 °F
Tonight
Low: 76 °F
Sunday
High: 91 °F
Sunday Night Low: 76 °F
Monday
High: 91 °F
Monday Night Low: 75 °F
Tuesday
High: 90 °F
Tuesday Night Low: 73 °F
Wednesday
High: 90 °F
Sunny
Partly Cloudy
Decreasing Clouds
Mostly Cloudy
Mostly Sunny
Partly Cloudy then Slight Chance T-storms
Partly Sunny then Slight Chance T-storms
Slight Chance T-storms then Partly Cloudy
Mostly Sunny then Slight Chance T-storms
Today: Sunny, with a high near 90. Heat index values as high as 100. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.