Marco
Island, Florida Current Weather Forecast last updated at: 10:02 am EDT Jul 5, 2026
This Afternoon High: 91 °F
Tonight
Low: 79 °F
Monday
High: 91 °F
Monday Night Low: 79 °F
Tuesday
High: 92 °F
Tuesday Night Low: 79 °F
Wednesday
High: 93 °F
Wednesday Night Low: 81 °F
Thursday
High: 92 °F
Slight Chance T-storms
Chance T-storms then Showers Likely
Chance T-storms
Slight Chance T-storms
Chance T-storms
Slight Chance T-storms
Sunny then Chance T-storms
Chance T-storms then Partly Cloudy
Sunny then Chance T-storms
This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 6 to 8 mph.