Marco
Island, Florida Current Weather Forecast last updated at: 4:02 am EDT Jul 3, 2026
This Afternoon High: 91 °F
Tonight
Low: 79 °F
Independence Day High: 91 °F
Saturday Night Low: 79 °F
Sunday
High: 91 °F
Sunday Night Low: 79 °F
Monday
High: 92 °F
Monday Night Low: 80 °F
Tuesday
High: 90 °F
Chance T-storms
Chance T-storms
Chance T-storms
Chance T-storms then Showers Likely
Showers Likely then Chance T-storms
Chance T-storms
Chance T-storms then T-storms Likely
T-storms Likely then Slight Chance T-storms
Slight Chance T-storms then Chance T-storms
This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 91. Heat index values as high as 105. West wind 5 to 8 mph.