Marco
Island, Florida Current Weather Forecast last updated at: 2:31 pm EDT May 22, 2026
This Afternoon High: 91 °F
Tonight
Low: 77 °F
Saturday
High: 90 °F
Saturday Night Low: 76 °F
Sunday
High: 92 °F
Sunday Night Low: 77 °F
Memorial Day High: 92 °F
Monday Night Low: 78 °F
Tuesday
High: 89 °F
Slight Chance T-storms
Slight Chance T-storms then Mostly Clear
Sunny then Chance T-storms
Chance T-storms then Mostly Clear
Sunny then T-storms Likely
T-storms Likely then Slight Chance Showers
Sunny then Chance T-storms
Chance T-storms then Partly Cloudy
Mostly Sunny then Chance T-storms
This Afternoon: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind around 9 mph. Chance of precipitation is 20%.