World Resorts USA Old Saybrook Weather

Old Saybrook Sea Temperature in October

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.

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
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Galveston Island 81.1°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F

Best time for vacation in Old Saybrook

Sunniest months:
November 17 days
October 14 days
September 14 days
Warmest months:
July 80.1 °F
August 78.5 °F
June 73.4 °F
Warmest sea temp:
August 71.7 °F
July 70.2 °F
September 69.6 °F
Coldest months:
January 36.0 °F
February 37.3 °F
December 41.0 °F
Rainiest months:
October 4 days
July 3 days
April 3 days
Windiest months:
January 10.8 mph
December 10.5 mph
November 10.5 mph

Old Saybrook on a weather map

Old Saybrook
+30°F
N 6 mph
Feels like: +27°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+75°F
+75°F
+79°F
+70°F
+66°F
+70°F
+70°F
+32°F
+63°F
+59°F
+57°F
+54°F
+61°F
+36°F
24 Hours Forecast
Old Saybrook
Local time: 23:07
March 19, thursday
0000
30°F
N
6 mph
0300
30°F
N
4 mph
0600
30°F
NW
3 mph
0900
34°F
NW
7 mph
1200
37°F
N
7 mph
1500
39°F
N
8 mph
1800
37°F
N
9 mph
2100
36°F
N
8 mph
Units of measurement: °C / °F