World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 14 Days Forecast

23.07
thu
Day
84°F
W 11 mph
Precip.
30%
Night
84°F
NW 11 mph
Precip.
35%
24.07
fri
Day
82°F
W 6 mph
Precip.
8%
Night
84°F
NW 8 mph
Precip.
7%
25.07
sat
Day
84°F
W 14 mph
Precip.
12%
Night
82°F
NW 4 mph
Precip.
8%
26.07
sun
Day
84°F
SW 12 mph
Precip.
7%
Night
82°F
SE 6 mph
Precip.
40%
27.07
mon
Day
84°F
S 6 mph
Precip.
8%
Night
82°F
NW 8 mph
Precip.
6%
28.07
tue
Day
84°F
NW 9 mph
Precip.
11%
Night
84°F
NW 16 mph
Precip.
13%
29.07
wed
Day
84°F
W 12 mph
Precip.
10%
Night
84°F
W 16 mph
Precip.
9%
30.07
thu
Day
84°F
W 14 mph
Precip.
11%
Night
84°F
W 15 mph
Precip.
15%
31.07
fri
Day
84°F
W 12 mph
Precip.
11%
Night
82°F
SW 4 mph
Precip.
14%
01.08
sat
Day
84°F
W 4 mph
Precip.
7%
Night
84°F
NW 3 mph
Precip.
7%
02.08
sun
Day
84°F
W 12 mph
Precip.
13%
Night
82°F
NW 9 mph
Precip.
11%
03.08
mon
Day
84°F
W 12 mph
Precip.
13%
Night
84°F
W 10 mph
Precip.
7%
04.08
tue
Day
84°F
W 17 mph
Precip.
10%
Night
84°F
W 14 mph
Precip.
9%
05.08
wed
Day
84°F
SW 15 mph
Precip.
12%
Night
84°F
SW 11 mph
Precip.
12%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.0°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.9°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.8°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
March 10 days
September 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

Current weather
19:17
Grand Cayman
+84°F
W 8 mph
Feels like: +91°F
Precip.: 8%
Places in Cayman Islands:
Name
°F
Grand Cayman
+84°F
George Town
+84°F
Cayman Brac
+84°F
Little Cayman
+84°F
24 Hours Forecast
Grand Cayman
Local time: 19:17
July 23, thursday
2100
84°F
NW
9 mph
July 24, friday
0000
84°F
NW
11 mph
0300
82°F
N
9 mph
0600
82°F
NW
6 mph
0900
82°F
W
7 mph
1200
82°F
W
6 mph
1500
84°F
W
6 mph
1800
84°F
W
9 mph
Units of measurement: °C / °F