Average sea water temperature in October:
+64.3°F
| Minimum sea water temperature in October: | 69.4°F |
| Maximum sea water temperature in October: | 60.3°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 69.1°F and 60.8°F.
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| Old Saybrook |
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| Old Saybrook |
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| Old Saybrook |
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| Old Saybrook |
Monthly sea water temperature in Old Saybrook, °F
Which USA resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| South Padre Island | 84.0°F | 82.4°F |
| Key West | 83.8°F | 82.9°F |
| West Palm Beach | 83.5°F | 83.3°F |
| Fort Lauderdale | 83.5°F | 83.0°F |
| Miami Beach | 83.4°F | 83.4°F |
| Miami | 82.7°F | 82.9°F |
| Corpus Christi | 82.2°F | 80.6°F |
| Naples | 81.9°F | 81.6°F |
| Kauai | 81.3°F | 79.2°F |
| Kailua Kona | 80.9°F | 80.6°F |
| Honolulu | 80.7°F | 80.6°F |
| Hawaii | 80.6°F | 80.5°F |
| Houston | 80.4°F | 78.8°F |
| Siesta Key | 80.4°F | 80.7°F |
| Sarasota | 80.2°F | 80.5°F |
| Maui | 79.8°F | 79.4°F |
| Oahu | 79.8°F | 80.2°F |
| Tampa | 79.4°F | 79.3°F |
| St. Petersburg | 79.4°F | 79.0°F |
| Panama City Beach | 79.2°F | 78.9°F |
Best time for vacation in Old Saybrook
Old Saybrook on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Old Saybrook
Local time: 13:03
July 21, tuesday
1500
73°F
NW
13 mph
13 mph
1800
79°F
N
10 mph
10 mph
2100
75°F
N
21 mph
21 mph
July 22, wednesday
0000
72°F
NE
12 mph
12 mph
0300
70°F
NE
11 mph
11 mph
0600
70°F
NE
9 mph
9 mph
0900
72°F
NE
14 mph
14 mph
1200
77°F
NE
16 mph
16 mph
