Current sea water temperature:
+72.3°F
| Minimum sea water temperature in August: | 76.5°F |
| Maximum sea water temperature in August: | 68.2°F |
| Average sea water temperature in August: | 71.8°F |
| more information | |
14 days
forecast
forecast
| Old Saybrook |
monthly
weather
weather
| Old Saybrook |
Sea water temperature for the last 10 days:
| August 14 | 72.3°F | August 9 | 74.8°F |
| August 13 | 73.6°F | August 8 | 75.2°F |
| August 12 | 73.6°F | August 7 | 73.2°F |
| August 11 | 74.7°F | August 6 | 71.1°F |
| August 10 | 75.0°F | August 5 | 71.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Old Saybrook?
Based on the data about daily sea water temperature for the last three years the warmest sea in Old Saybrook was noticed in August, July and September.
Monthly Sea Temperatures in Old Saybrook, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 73.2°F and 69.4°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 69.2°F. The highest and lowest sea temperatures during the month were 71.2°F and 66.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.2°F. The highest and lowest sea temperatures during the month were 71.2°F and 68.0°F.
current
weather
weather
| Old Saybrook |
weather in
August
August
| Old Saybrook |
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: 18:45
August 14, friday
2100

72°F
SW
5 mph
5 mph
August 15, saturday
0000

68°F
S
5 mph
5 mph
0300

64°F
S
7 mph
7 mph
0600

63°F
SW
7 mph
7 mph
0900

68°F
SW
6 mph
6 mph
1200

75°F
NE
2 mph
2 mph
1500

77°F
NE
6 mph
6 mph
1800

73°F
NE
8 mph
8 mph




























