21.12
sun
sun
Day

46°F
E 17 mph
Precip.
0%
0%
Night

30°F
SE 15 mph
Precip.
0%
0%
22.12
mon
mon
Day

36°F
SE 14 mph
Precip.
0%
0%
Night

34°F
E 12 mph
Precip.
0%
0%
23.12
tue
tue
Day

34°F
NE 7 mph
Precip.
0%
0%
Night

32°F
E 6 mph
Precip.
0%
0%
24.12
wed
wed
Day

39°F
SE 19 mph
Precip.
0%
0%
Night

28°F
S 5 mph
Precip.
0%
0%
25.12
thu
thu
Day

37°F
NE 9 mph
Precip.
0%
0%
Night

39°F
NE 6 mph
Precip.
72%
72%
26.12
fri
fri
Day

46°F
NE 13 mph
Precip.
100%
100%
Night

30°F
SE 17 mph
Precip.
0%
0%
27.12
sat
sat
Day

30°F
S 6 mph
Precip.
0%
0%
Night

32°F
N 8 mph
Precip.
0%
0%
sea water
temperature
temperature
| Old Saybrook |
monthly
weather
weather
| Old Saybrook |
current
weather
weather
| Old Saybrook |
14 days
forecast
forecast
| Old Saybrook |
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
Old Saybrook on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Old Saybrook
Local time: 20:59
December 21, sunday
2100

32°F
SE
15 mph
15 mph
December 22, monday
0000

30°F
SE
15 mph
15 mph
0300

28°F
SE
18 mph
18 mph
0600

25°F
SE
17 mph
17 mph
0900

27°F
SE
17 mph
17 mph
1200

36°F
SE
14 mph
14 mph
1500

34°F
E
11 mph
11 mph
1800

32°F
E
6 mph
6 mph





























