World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 14 Days Forecast

03.07
fri
Day
84°F
W 11 mph
Precip.
16%
Night
84°F
NW 7 mph
Precip.
8%
04.07
sat
Day
84°F
SW 8 mph
Precip.
6%
Night
84°F
NW 11 mph
Precip.
7%
05.07
sun
Day
84°F
W 12 mph
Precip.
11%
Night
84°F
NW 19 mph
Precip.
11%
06.07
mon
Day
84°F
W 12 mph
Precip.
7%
Night
84°F
W 15 mph
Precip.
44%
07.07
tue
Day
84°F
W 12 mph
Precip.
55%
Night
84°F
W 16 mph
Precip.
13%
08.07
wed
Day
84°F
W 11 mph
Precip.
14%
Night
84°F
W 11 mph
Precip.
7%
09.07
thu
Day
84°F
W 14 mph
Precip.
11%
Night
84°F
NW 12 mph
Precip.
10%
10.07
fri
Day
84°F
W 16 mph
Precip.
16%
Night
84°F
W 16 mph
Precip.
11%
11.07
sat
Day
84°F
W 14 mph
Precip.
15%
Night
84°F
W 17 mph
Precip.
9%
12.07
sun
Day
84°F
W 15 mph
Precip.
13%
Night
84°F
W 12 mph
Precip.
11%
13.07
mon
Day
84°F
W 15 mph
Precip.
30%
Night
84°F
W 11 mph
Precip.
16%
14.07
tue
Day
84°F
W 16 mph
Precip.
17%
Night
84°F
W 17 mph
Precip.
11%
15.07
wed
Day
84°F
W 17 mph
Precip.
10%
Night
84°F
W 14 mph
Precip.
9%
16.07
thu
Day
84°F
W 14 mph
Precip.
12%
Night
84°F
W 11 mph
Precip.
12%

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

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
02:20
Grand Cayman
+84°F
W 15 mph
Feels like: +91°F
Precip.: 24%
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: 02:20
July 03, friday
0300
84°F
W
15 mph
0600
84°F
W
14 mph
0900
84°F
W
11 mph
1200
84°F
W
11 mph
1500
84°F
W
11 mph
1800
84°F
W
9 mph
2100
84°F
W
6 mph
July 04, saturday
0000
84°F
NW
7 mph
Units of measurement: °C / °F