World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 14 Days Forecast

20.03
fri
Day
79°F
S 22 mph
Precip.
0%
Night
77°F
S 21 mph
Precip.
0%
21.03
sat
Day
77°F
SW 19 mph
Precip.
0%
Night
77°F
SW 19 mph
Precip.
0%
22.03
sun
Day
75°F
SW 21 mph
Precip.
0%
Night
77°F
W 16 mph
Precip.
0%
23.03
mon
Day
77°F
SW 17 mph
Precip.
0%
Night
77°F
SW 17 mph
Precip.
0%
24.03
tue
Day
77°F
SW 20 mph
Precip.
86%
Night
79°F
SW 19 mph
Precip.
0%
25.03
wed
Day
79°F
W 21 mph
Precip.
0%
Night
79°F
W 18 mph
Precip.
0%
26.03
thu
Day
79°F
W 21 mph
Precip.
25%
Night
79°F
W 16 mph
Precip.
100%
27.03
fri
Day
79°F
W 19 mph
Precip.
100%
Night
79°F
SW 18 mph
Precip.
59%
28.03
sat
Day
79°F
W 19 mph
Precip.
100%
Night
79°F
W 22 mph
Precip.
45%
29.03
sun
Day
79°F
W 17 mph
Precip.
100%
Night
79°F
W 17 mph
Precip.
100%
30.03
mon
Day
79°F
W 12 mph
Precip.
51%
Night
79°F
W 11 mph
Precip.
100%
31.03
tue
Day
79°F
W 16 mph
Precip.
100%
Night
79°F
W 13 mph
Precip.
100%
01.04
wed
Day
79°F
W 14 mph
Precip.
100%
Night
79°F
W 12 mph
Precip.
100%
02.04
thu
Day
79°F
W 21 mph
Precip.
100%
Night
79°F
W 14 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 80.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 79.9°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 82.0°F. The highest and lowest sea temperatures during the month were 82.4°F and 81.7°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:
March 11 days
July 11 days
May 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
+79°F
S 22 mph
Feels like: +84°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
+79°F
+79°F
+77°F
+77°F
24 Hours Forecast
Grand Cayman
Local time: 13:28
March 20, friday
1500
81°F
S
22 mph
1800
81°F
S
21 mph
2100
79°F
S
19 mph
March 21, saturday
0000
77°F
S
21 mph
0300
77°F
SW
21 mph
0600
75°F
SW
24 mph
0900
75°F
SW
22 mph
1200
77°F
SW
19 mph
Units of measurement: °C / °F