28.08
fri
fri
Day
86°F
W 11 mph
Precip.
18%
18%
Night
86°F
W 8 mph
Precip.
6%
6%
29.08
sat
sat
Day
86°F
W 6 mph
Precip.
17%
17%
Night
84°F
SW 6 mph
Precip.
26%
26%
30.08
sun
sun
Day
86°F
W 6 mph
Precip.
6%
6%
Night
84°F
S 7 mph
Precip.
9%
9%
31.08
mon
mon
Day
86°F
W 15 mph
Precip.
27%
27%
Night
86°F
SW 12 mph
Precip.
17%
17%
01.09
tue
tue
Day
84°F
W 12 mph
Precip.
21%
21%
Night
86°F
W 11 mph
Precip.
44%
44%
02.09
wed
wed
Day
86°F
NW 12 mph
Precip.
7%
7%
Night
84°F
N 9 mph
Precip.
32%
32%
03.09
thu
thu
Day
84°F
W 7 mph
Precip.
25%
25%
Night
84°F
W 7 mph
Precip.
6%
6%
sea water
temperature
temperature
| Cayman Brac |
monthly
weather
weather
| Cayman Brac |
current
weather
weather
| Cayman Brac |
14 days
forecast
forecast
| Cayman Brac |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.2°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 87.6°F. The highest and lowest sea temperatures during the month were 88.2°F and 87.1°F.
Air temperature in Cayman Brac, °F
Precipitation total in Cayman Brac, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cayman Brac
Cayman Brac on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Cayman Brac
Local time: 04:56
August 28, friday
0600
84°F
SW
17 mph
17 mph
0900
86°F
W
17 mph
17 mph
1200
86°F
W
11 mph
11 mph
1500
86°F
W
8 mph
8 mph
1800
86°F
W
6 mph
6 mph
2100
86°F
W
4 mph
4 mph
August 29, saturday
0000
86°F
W
8 mph
8 mph
0300
84°F
W
7 mph
7 mph
