Average sea water temperature in August:
+87.7°F
| Minimum sea water temperature in August: | 90.7°F |
| Maximum sea water temperature in August: | 84.9°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 88.4°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.4°F.
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Monthly sea water temperature in Islamorada, °F
Which USA resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Key West | 88.8°F | 88.8°F |
| Key Largo | 88.4°F | 88.7°F |
| Naples | 88.1°F | 88.7°F |
| New Orleans | 88.0°F | 87.4°F |
| Houston | 87.8°F | 87.8°F |
| Cape Coral | 87.6°F | 88.7°F |
| Miami | 87.3°F | 88.1°F |
| Galveston | 87.3°F | 87.9°F |
| Long Beach (MS) | 87.2°F | 86.6°F |
| Miami Beach | 87.1°F | 87.9°F |
| Sarasota | 87.1°F | 88.6°F |
| Siesta Key | 87.1°F | 88.6°F |
| Pensacola | 86.9°F | 86.5°F |
| Clearwater Beach | 86.8°F | 88.5°F |
| Tampa | 86.8°F | 88.6°F |
| Fort Lauderdale | 86.8°F | 87.2°F |
| St. George Island | 86.7°F | 86.5°F |
| Corpus Christi | 86.5°F | 87.0°F |
| West Palm Beach | 86.4°F | 86.8°F |
| Pensacola Beach | 86.4°F | 86.6°F |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 18:39
October 15, thursday
2100

82°F
W
16 mph
16 mph
October 16, friday
0000

82°F
W
16 mph
16 mph
0300

82°F
W
15 mph
15 mph
0600

82°F
W
14 mph
14 mph
0900

82°F
W
14 mph
14 mph
1200

84°F
W
13 mph
13 mph
1500

84°F
W
9 mph
9 mph
1800

82°F
W
9 mph
9 mph




























