05.14
thu
thu
DAY

90°F
SE 13 mph
precip
0%
0%
NIGHT

80°F
SE 14 mph
precip
0%
0%
05.15
fri
fri
DAY

84°F
E 6 mph
precip
0%
0%
NIGHT

82°F
SE 6 mph
precip
0%
0%
05.16
sat
sat
DAY

86°F
N 7 mph
precip
0%
0%
NIGHT

82°F
W 11 mph
precip
100%
100%
05.17
sun
sun
DAY

86°F
NW 11 mph
precip
100%
100%
NIGHT

82°F
W 10 mph
precip
100%
100%
05.18
mon
mon
DAY

88°F
NW 11 mph
precip
100%
100%
NIGHT

82°F
W 12 mph
precip
0%
0%
05.19
tue
tue
DAY

86°F
NW 11 mph
precip
100%
100%
NIGHT

82°F
W 10 mph
precip
40%
40%
05.20
wed
wed
DAY

86°F
NW 9 mph
precip
23%
23%
NIGHT

82°F
W 9 mph
precip
45%
45%
Weather in
May
May
| Marco Island |
14 day weather
forecast
forecast
| Marco Island |
Monthly weather
averages
averages
| Marco Island |
Sea water
temperature
temperature
| Marco Island |
Marco Island Sea Water Temperature in May, °F
The average sea surface temperature in May 2025 for Marco Island was 28.6°F. The maximum and minimum values were 26.3°F and 31.1°F respectively.
USA Resorts:
NAME
F°
| Boston | ![]() |
+56 |
| Chicago | ![]() |
+58 |
| Hawaii | ![]() |
+78 |
| Honolulu | ![]() |
+78 |
| Houston | ![]() |
+104 |
| Las Vegas | ![]() |
+102 |
| Los Angeles | ![]() |
+76 |
| Maui | ![]() |
+72 |
| Miami | ![]() |
+90 |
| Miami Beach | ![]() |
+92 |
| New York | ![]() |
+70 |
| San Diego | ![]() |
+72 |
| San Francisco | ![]() |
+72 |
| Sarasota | ![]() |
+96 |
| Tampa | ![]() |
+96 |






























