World Resorts USA Old Saybrook Weather

Old Saybrook sea water temperature

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

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

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.

Best time for vacation in Old Saybrook

Sunniest months:
November 17 days
September 14 days
October 14 days
Warmest months:
July 80.6 °F
August 78.5 °F
June 74.5 °F
Warmest sea temp:
August 71.7 °F
July 70.1 °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
+79°F
E 3 mph
Feels like: +81°F
Precip.: 3%
Places in USA:
Name
°F
+82°F
+70°F
+81°F
+100°F
+86°F
+88°F
+77°F
+88°F
+88°F
+75°F
+64°F
+79°F
+86°F
+90°F
+77°F
24 Hours Forecast
Old Saybrook
Local time: 18:45
August 14, friday
2100
72°F
SW
5 mph
August 15, saturday
0000
68°F
S
5 mph
0300
64°F
S
7 mph
0600
63°F
SW
7 mph
0900
68°F
SW
6 mph
1200
75°F
NE
2 mph
1500
77°F
NE
6 mph
1800
73°F
NE
8 mph
Units of measurement: °C / °F