World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 14 Days Forecast

22.05
fri
Day
82°F
NW 13 mph
Precip.
85%
Night
82°F
W 12 mph
Precip.
0%
23.05
sat
Day
82°F
W 15 mph
Precip.
0%
Night
82°F
W 12 mph
Precip.
100%
24.05
sun
Day
82°F
W 11 mph
Precip.
0%
Night
82°F
W 14 mph
Precip.
100%
25.05
mon
Day
82°F
W 11 mph
Precip.
100%
Night
82°F
W 14 mph
Precip.
100%
26.05
tue
Day
82°F
NW 12 mph
Precip.
0%
Night
82°F
NW 14 mph
Precip.
0%
27.05
wed
Day
84°F
W 14 mph
Precip.
0%
Night
82°F
W 16 mph
Precip.
24%
28.05
thu
Day
84°F
NW 16 mph
Precip.
0%
Night
82°F
NW 20 mph
Precip.
100%
29.05
fri
Day
79°F
NW 20 mph
Precip.
100%
Night
77°F
W 9 mph
Precip.
100%
30.05
sat
Day
81°F
NW 4 mph
Precip.
84%
Night
82°F
N 8 mph
Precip.
0%
31.05
sun
Day
84°F
N 4 mph
Precip.
0%
Night
84°F
N 12 mph
Precip.
100%
01.06
mon
Day
82°F
N 14 mph
Precip.
100%
Night
82°F
N 17 mph
Precip.
0%
02.06
tue
Day
84°F
N 16 mph
Precip.
100%
Night
82°F
N 12 mph
Precip.
53%
03.06
wed
Day
84°F
NW 16 mph
Precip.
100%
Night
84°F
NW 16 mph
Precip.
0%
04.06
thu
Day
82°F
NW 21 mph
Precip.
25%
Night
82°F
NW 19 mph
Precip.
69%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 84.7°F and 82.8°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°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

Sunniest months:
July 11 days
May 10 days
March 10 days
Warmest months:
August 87.1 °F
July 87.0 °F
September 86.9 °F
Warmest sea temp:
September 86.1 °F
August 85.9 °F
October 85.5 °F
Coldest months:
January 80.1 °F
February 80.3 °F
March 80.9 °F
Rainiest months:
October 8 days
May 5 days
November 5 days
Windiest months:
December 16.8 mph
November 16.1 mph
January 15.7 mph

Grand Cayman on a weather map

Grand Cayman
+82°F
NW 11 mph
Feels like: +90°F
Precip.: 100%
Places in Cayman Islands:
Name
°F
+82°F
+82°F
+82°F
+82°F
24 Hours Forecast
Grand Cayman
Local time: 14:54
May 22, friday
1500
82°F
NW
11 mph
1800
82°F
NW
11 mph
2100
82°F
W
11 mph
May 23, saturday
0000
82°F
W
12 mph
0300
82°F
W
11 mph
0600
82°F
W
11 mph
0900
82°F
W
12 mph
1200
82°F
W
15 mph
Units of measurement: °C / °F