19.05
tue
tue
Day
90°F
NW 7 mph
Precip.
0%
0%
Night
79°F
W 15 mph
Precip.
70%
70%
20.05
wed
wed
Day
82°F
NW 10 mph
Precip.
100%
100%
Night
79°F
W 13 mph
Precip.
0%
0%
21.05
thu
thu
Day
84°F
NW 6 mph
Precip.
0%
0%
Night
79°F
NW 11 mph
Precip.
0%
0%
22.05
fri
fri
Day
82°F
NW 7 mph
Precip.
0%
0%
Night
81°F
W 13 mph
Precip.
0%
0%
23.05
sat
sat
Day
82°F
NW 9 mph
Precip.
100%
100%
Night
81°F
N 4 mph
Precip.
0%
0%
24.05
sun
sun
Day
84°F
N 8 mph
Precip.
0%
0%
Night
79°F
NW 11 mph
Precip.
100%
100%
25.05
mon
mon
Day
84°F
NW 12 mph
Precip.
100%
100%
Night
81°F
W 16 mph
Precip.
100%
100%
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 May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 82.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 79.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 87.3°F and 84.0°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: 08:32
May 19, tuesday
0900
81°F
W
15 mph
15 mph
1200
90°F
NW
7 mph
7 mph
1500
90°F
W
12 mph
12 mph
1800
86°F
W
11 mph
11 mph
2100
82°F
W
14 mph
14 mph
May 20, wednesday
0000
79°F
W
15 mph
15 mph
0300
77°F
W
12 mph
12 mph
0600
77°F
W
12 mph
12 mph
