Measurements:
°C
°F
Marco Island
100°F
E 6 mph
Feels like: 112°F
Precip: 2%
World Resorts USA Marco Island Weather

7 Day Weather Forecast

08.05
wed
DAY
96°F
W 4 mph
precip
3%
NIGHT
80°F
W 11 mph
precip
11%
08.06
thu
DAY
92°F
W 9 mph
precip
11%
NIGHT
86°F
W 11 mph
precip
7%
08.07
fri
DAY
92°F
NW 9 mph
precip
13%
NIGHT
88°F
W 8 mph
precip
47%
08.08
sat
DAY
92°F
NW 11 mph
precip
14%
NIGHT
88°F
W 11 mph
precip
16%
08.09
sun
DAY
92°F
NW 9 mph
precip
4%
NIGHT
88°F
W 11 mph
precip
6%
08.10
mon
DAY
92°F
NW 11 mph
precip
6%
NIGHT
88°F
NW 11 mph
precip
13%
08.11
tue
DAY
90°F
N 8 mph
precip
9%
NIGHT
88°F
NW 10 mph
precip
13%

Marco Island Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marco Island was 31.5°F. The maximum and minimum values were 30.5°F and 32.2°F respectively.

Marco Island on the Weather Map

Best Time to Visit Marco Island
The most sunny months:
March 19 days
April 18 days
May 16 days
The most warm months:
July 92.4 °F
August 92.2 °F
June 90.7 °F
Warmest sea temperature:
August 91.7 °F
July 91.4 °F
September 90.6 °F
The most cold months:
January 72.3 °F
December 75.3 °F
February 76.3 °F
The most rainy months:
June 6 days
July 4 days
September 4 days
The most windy months:
April 10 mph
November 10 mph
January 9 mph