Average sea water temperature in October:
+65.8°F
| Minimum sea water temperature in October: | 72.1°F |
| Maximum sea water temperature in October: | 59.2°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 65.5°F. The highest and lowest sea temperatures during the month were 68.7°F and 61.2°F.
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| Dewey Beach |
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| Dewey Beach |
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Monthly sea water temperature in Dewey Beach, °F
Which USA resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| West Palm Beach | 84.9°F | 83.5°F |
| Fort Lauderdale | 84.9°F | 83.5°F |
| Key West | 84.7°F | 83.8°F |
| Miami Beach | 84.4°F | 83.4°F |
| Key Largo | 84.3°F | 83.0°F |
| Miami | 83.7°F | 82.7°F |
| Naples | 83.2°F | 81.9°F |
| Port St. Lucie | 83.1°F | 80.2°F |
| Siesta Key | 82.3°F | 80.4°F |
| Corpus Christi | 82.3°F | 82.2°F |
| Sarasota | 82.0°F | 80.2°F |
| Cape Coral | 82.0°F | 81.1°F |
| Cocoa Beach | 81.3°F | 79.2°F |
| Galveston | 81.1°F | 80.8°F |
| Houston | 80.9°F | 80.4°F |
| Tampa | 80.8°F | 79.4°F |
| Panama City Beach | 80.8°F | 79.2°F |
| Honolulu | 80.7°F | 80.7°F |
| Hawaii | 80.6°F | 80.6°F |
| Orlando | 80.5°F | 78.4°F |
Best time for vacation in Dewey Beach
Dewey Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dewey Beach
Local time: 00:53
October 25, sunday
0300
57°F
SW
5 mph
5 mph
0600
57°F
SW
6 mph
6 mph
0900
55°F
S
7 mph
7 mph
1200
55°F
S
6 mph
6 mph
1500
57°F
S
2 mph
2 mph
1800
57°F
NW
3 mph
3 mph
2100
59°F
NW
4 mph
4 mph
October 26, monday
0000
57°F
NE
5 mph
5 mph
