Marco
Island, Florida Current Weather Forecast last updated at: 2:31 pm EDT May 24, 2026
This Afternoon High: 91 °F
Tonight
Low: 76 °F
Memorial Day High: 92 °F
Monday Night Low: 77 °F
Tuesday
High: 91 °F
Tuesday Night Low: 78 °F
Wednesday
High: 90 °F
Wednesday Night Low: 77 °F
Thursday
High: 86 °F
Chance T-storms
Chance T-storms then Mostly Clear
Sunny then Slight Chance T-storms
Mostly Clear
Mostly Sunny then Slight Chance T-storms
Slight Chance T-storms
Chance Showers then T-storms Likely
T-storms Likely
T-storms Likely
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind around 13 mph, with gusts as high as 20 mph.