Marco
Island, Florida Current Weather Forecast last updated at: 4:16 am EDT May 26, 2026
This Afternoon High: 91 °F
Tonight
Low: 77 °F
Wednesday
High: 90 °F
Wednesday Night Low: 77 °F
Thursday
High: 89 °F
Thursday Night Low: 77 °F
Friday
High: 89 °F
Friday Night Low: 77 °F
Saturday
High: 87 °F
Slight Chance T-storms and Breezy
Partly Cloudy
Mostly Sunny then Chance T-storms
Chance T-storms then Chance Showers
Showers Likely
Chance T-storms then Chance Showers
Chance Showers then Chance T-storms
Chance T-storms then Chance Showers
T-storms Likely
This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Mostly 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 25 mph.