Measurements:
°C
°F
Marco Island
92°F
E 9 mph
Feels like: 100°F
Precip: 4%
World Resorts USA Marco Island Weather

7 Day Weather Forecast

08.25
tue
DAY
98°F
NW 6 mph
precip
3%
NIGHT
82°F
W 11 mph
precip
57%
08.26
wed
DAY
92°F
N 4 mph
precip
15%
NIGHT
84°F
NW 11 mph
precip
57%
08.27
thu
DAY
90°F
N 9 mph
precip
18%
NIGHT
82°F
W 11 mph
precip
23%
08.28
fri
DAY
92°F
NW 4 mph
precip
41%
NIGHT
82°F
W 11 mph
precip
12%
08.29
sat
DAY
90°F
NW 7 mph
precip
70%
NIGHT
82°F
SW 11 mph
precip
59%
08.30
sun
DAY
92°F
NW 9 mph
precip
36%
NIGHT
86°F
W 7 mph
precip
32%
08.31
mon
DAY
92°F
NW 8 mph
precip
26%
NIGHT
88°F
W 9 mph
precip
15%

Marco Island Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Marco Island was 31.3°F. The maximum and minimum values were 30.4°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 91.8 °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