Marco
Island, Florida Current Weather Forecast last updated at: 2:31 pm EDT Jul 19, 2026
This Afternoon High: 91 °F
Tonight
Low: 80 °F
Monday
High: 91 °F
Monday Night Low: 80 °F
Tuesday
High: 91 °F
Tuesday Night Low: 79 °F
Wednesday
High: 92 °F
Wednesday Night Low: 79 °F
Thursday
High: 91 °F
Chance T-storms and Breezy
Slight Chance T-storms then Chance T-storms
Chance T-storms and Breezy
Mostly Cloudy then Slight Chance T-storms
Slight Chance T-storms and Breezy
Partly Cloudy
Sunny
Slight Chance T-storms
Sunny then Slight Chance T-storms
This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. Breezy, with a south wind around 16 mph, with gusts as high as 24 mph.