Marco
Island, Florida Current Weather Forecast last updated at: 3:57 am EDT May 12, 2026
Today
High: 90 °F
Tonight
Low: 74 °F
Wednesday
High: 88 °F
Wednesday Night Low: 74 °F
Thursday
High: 88 °F
Thursday Night Low: 74 °F
Friday
High: 90 °F
Friday Night Low: 74 °F
Saturday
High: 90 °F
Mostly Sunny then Slight Chance T-storms
Slight Chance T-storms then Mostly Cloudy
Partly Sunny then Slight Chance T-storms
Partly Cloudy
Sunny
Mostly Clear
Sunny
Mostly Clear
Sunny then Slight Chance T-storms
Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southwest 5 to 9 mph in the afternoon.