World Resorts USA Old Saybrook Weather

Old Saybrook 7 Days Forecast

29.12
mon
Day
41°F
NE 14 mph
Precip.
100%
Night
30°F
E 25 mph
Precip.
0%
30.12
tue
Day
30°F
E 24 mph
Precip.
0%
Night
27°F
E 20 mph
Precip.
0%
31.12
wed
Day
32°F
E 19 mph
Precip.
0%
Night
32°F
E 16 mph
Precip.
0%
01.01
thu
Day
27°F
E 12 mph
Precip.
0%
Night
23°F
E 9 mph
Precip.
0%
02.01
fri
Day
28°F
E 9 mph
Precip.
71%
Night
25°F
E 9 mph
Precip.
0%
03.01
sat
Day
25°F
E 12 mph
Precip.
0%
Night
25°F
E 10 mph
Precip.
0%
04.01
sun
Day
23°F
SE 12 mph
Precip.
0%
Night
14°F
S 11 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 45.5°F. The highest and lowest sea temperatures during the month were 50.2°F and 41.5°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 41.1 °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
+45°F
NE 16 mph
Feels like: +41°F
Precip.: 100%
Places in USA:
Name
°F
+52°F
+77°F
+77°F
+63°F
+70°F
+82°F
+81°F
+70°F
+46°F
+72°F
+57°F
+75°F
+79°F
+54°F
+21°F
24 Hours Forecast
Old Saybrook
Local time: 15:57
December 29, monday
1800
45°F
E
24 mph
2100
36°F
E
25 mph
December 30, tuesday
0000
30°F
E
25 mph
0300
28°F
E
24 mph
0600
28°F
E
23 mph
0900
28°F
E
22 mph
1200
30°F
E
24 mph
1500
30°F
E
23 mph
Units of measurement: °C / °F