World Resorts USA Old Saybrook Weather

Old Saybrook 7 Days Forecast

21.12
sun
Day
46°F
E 17 mph
Precip.
0%
Night
30°F
SE 15 mph
Precip.
0%
22.12
mon
Day
36°F
SE 14 mph
Precip.
0%
Night
34°F
E 12 mph
Precip.
0%
23.12
tue
Day
34°F
NE 7 mph
Precip.
0%
Night
32°F
E 6 mph
Precip.
0%
24.12
wed
Day
39°F
SE 19 mph
Precip.
0%
Night
28°F
S 5 mph
Precip.
0%
25.12
thu
Day
37°F
NE 9 mph
Precip.
0%
Night
39°F
NE 6 mph
Precip.
72%
26.12
fri
Day
46°F
NE 13 mph
Precip.
100%
Night
30°F
SE 17 mph
Precip.
0%
27.12
sat
Day
30°F
S 6 mph
Precip.
0%
Night
32°F
N 8 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.6°F. The highest and lowest sea temperatures during the month were 50.2°F and 42.8°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 40.5°F. The highest and lowest sea temperatures during the month were 45.3°F and 37.2°F.

Air temperature in Old Saybrook, °F

Precipitation total in Old Saybrook, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Old Saybrook

Sunniest months:
November 17 days
September 14 days
October 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 36.7 °F
February 37.9 °F
December 41.8 °F
Rainiest months:
October 4 days
July 3 days
April 3 days
Windiest months:
January 10.6 mph
November 10.5 mph
March 10.5 mph

Old Saybrook on a weather map

Old Saybrook
+32°F
SE 15 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+57°F
+63°F
+73°F
+73°F
+73°F
+28°F
+61°F
+55°F
+70°F
+68°F
+72°F
+27°F
24 Hours Forecast
Old Saybrook
Local time: 20:59
December 21, sunday
2100
32°F
SE
15 mph
December 22, monday
0000
30°F
SE
15 mph
0300
28°F
SE
18 mph
0600
25°F
SE
17 mph
0900
27°F
SE
17 mph
1200
36°F
SE
14 mph
1500
34°F
E
11 mph
1800
32°F
E
6 mph
Units of measurement: °C / °F