26.06
fri
fri
Day
84°F
W 15 mph
Precip.
21%
21%
Night
82°F
W 14 mph
Precip.
11%
11%
27.06
sat
sat
Day
84°F
SW 16 mph
Precip.
23%
23%
Night
82°F
W 11 mph
Precip.
10%
10%
28.06
sun
sun
Day
82°F
W 12 mph
Precip.
23%
23%
Night
82°F
W 9 mph
Precip.
51%
51%
29.06
mon
mon
Day
82°F
W 14 mph
Precip.
7%
7%
Night
82°F
SW 12 mph
Precip.
12%
12%
30.06
tue
tue
Day
84°F
W 13 mph
Precip.
10%
10%
Night
82°F
SW 11 mph
Precip.
10%
10%
01.07
wed
wed
Day
84°F
W 10 mph
Precip.
9%
9%
Night
82°F
W 9 mph
Precip.
23%
23%
02.07
thu
thu
Day
84°F
W 11 mph
Precip.
50%
50%
Night
82°F
W 12 mph
Precip.
14%
14%
sea water
temperature
temperature
| Grand Cayman |
monthly
weather
weather
| Grand Cayman |
current
weather
weather
| Grand Cayman |
14 days
forecast
forecast
| Grand Cayman |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 84.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 84.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.4°F.
Air temperature in Grand Cayman, °F
Precipitation total in Grand Cayman, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Cayman
Grand Cayman on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Grand Cayman
Local time: 14:47
June 26, friday
1500
84°F
W
14 mph
14 mph
1800
84°F
W
14 mph
14 mph
2100
82°F
W
14 mph
14 mph
June 27, saturday
0000
82°F
W
14 mph
14 mph
0300
82°F
W
15 mph
15 mph
0600
82°F
W
16 mph
16 mph
0900
84°F
SW
17 mph
17 mph
1200
84°F
SW
16 mph
16 mph
