21.07
tue
tue
Day
91°F
N 17 mph
Precip.
4%
4%
Night
84°F
N 7 mph
Precip.
6%
6%
22.07
wed
wed
Day
86°F
N 12 mph
Precip.
4%
4%
Night
84°F
NW 11 mph
Precip.
7%
7%
23.07
thu
thu
Day
88°F
W 2 mph
Precip.
2%
2%
Night
84°F
NE 2 mph
Precip.
6%
6%
24.07
fri
fri
Day
86°F
NE 2 mph
Precip.
5%
5%
Night
86°F
NW 11 mph
Precip.
33%
33%
25.07
sat
sat
Day
86°F
N 7 mph
Precip.
5%
5%
Night
82°F
SW 3 mph
Precip.
57%
57%
26.07
sun
sun
Day
86°F
NE 6 mph
Precip.
9%
9%
Night
84°F
SE 6 mph
Precip.
8%
8%
27.07
mon
mon
Day
84°F
E 6 mph
Precip.
17%
17%
Night
84°F
E 6 mph
Precip.
5%
5%
sea water
temperature
temperature
| Marco Island |
monthly
weather
weather
| Marco Island |
current
weather
weather
| Marco Island |
14 days
forecast
forecast
| Marco Island |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 88.4°F. The highest and lowest sea temperatures during the month were 89.2°F and 87.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.7°F. The highest and lowest sea temperatures during the month were 90.0°F and 86.9°F.
Air temperature in Marco Island, °F
Precipitation total in Marco Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 09:34
July 21, tuesday
1200
91°F
N
17 mph
17 mph
1500
93°F
N
14 mph
14 mph
1800
90°F
NE
12 mph
12 mph
2100
86°F
N
9 mph
9 mph
July 22, wednesday
0000
84°F
N
7 mph
7 mph
0300
82°F
NW
9 mph
9 mph
0600
82°F
NW
12 mph
12 mph
0900
84°F
NW
10 mph
10 mph
