World Resorts Cayman Islands Cayman Brac Weather

Cayman Brac 14 Days Forecast

18.08
tue
Day
84°F
W 12 mph
Precip.
21%
Night
84°F
SW 9 mph
Precip.
12%
19.08
wed
Day
84°F
W 12 mph
Precip.
19%
Night
84°F
SW 7 mph
Precip.
22%
20.08
thu
Day
84°F
W 9 mph
Precip.
8%
Night
84°F
W 12 mph
Precip.
6%
21.08
fri
Day
86°F
W 12 mph
Precip.
7%
Night
84°F
SW 6 mph
Precip.
18%
22.08
sat
Day
84°F
W 6 mph
Precip.
6%
Night
84°F
SW 5 mph
Precip.
7%
23.08
sun
Day
84°F
SW 11 mph
Precip.
7%
Night
84°F
NW 6 mph
Precip.
7%
24.08
mon
Day
84°F
W 6 mph
Precip.
5%
Night
84°F
W 7 mph
Precip.
11%
25.08
tue
Day
84°F
W 8 mph
Precip.
8%
Night
84°F
NW 10 mph
Precip.
17%
26.08
wed
Day
84°F
W 13 mph
Precip.
18%
Night
84°F
SW 16 mph
Precip.
8%
27.08
thu
Day
86°F
W 12 mph
Precip.
15%
Night
84°F
W 12 mph
Precip.
20%
28.08
fri
Day
86°F
W 14 mph
Precip.
6%
Night
84°F
W 9 mph
Precip.
8%
29.08
sat
Day
84°F
SW 11 mph
Precip.
12%
Night
84°F
NW 9 mph
Precip.
16%
30.08
sun
Day
84°F
SW 10 mph
Precip.
27%
Night
84°F
NW 11 mph
Precip.
66%
31.08
mon
Day
84°F
W 9 mph
Precip.
9%
Night
84°F
NW 6 mph
Precip.
10%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 87.3°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

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 87.0 °F
September 86.7 °F
July 86.6 °F
Warmest sea temp:
September 86.4 °F
August 86.2 °F
October 85.7 °F
Coldest months:
January 79.7 °F
February 79.8 °F
March 80.5 °F
Rainiest months:
October 7 days
May 5 days
August 5 days
Windiest months:
December 16.6 mph
November 16.1 mph
January 15.5 mph

Cayman Brac on a weather map

Cayman Brac
+84°F
W 12 mph
Feels like: +93°F
Precip.: 12%
Places in Cayman Islands:
Name
°F
+84°F
+84°F
+84°F
+84°F
24 Hours Forecast
Cayman Brac
Local time: 06:17
August 18, tuesday
0900
84°F
SW
14 mph
1200
84°F
W
12 mph
1500
86°F
W
10 mph
1800
84°F
W
5 mph
2100
84°F
W
2 mph
August 19, wednesday
0000
84°F
SW
9 mph
0300
84°F
SW
12 mph
0600
84°F
SW
16 mph
Units of measurement: °C / °F