World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 7 Days Forecast

13.01
tue
Day
82°F
W 16 mph
Precip.
0%
Night
79°F
W 12 mph
Precip.
0%
14.01
wed
Day
81°F
W 6 mph
Precip.
0%
Night
77°F
W 4 mph
Precip.
0%
15.01
thu
Day
77°F
SE 6 mph
Precip.
0%
Night
77°F
S 11 mph
Precip.
100%
16.01
fri
Day
77°F
SW 19 mph
Precip.
100%
Night
77°F
SW 19 mph
Precip.
83%
17.01
sat
Day
79°F
SW 20 mph
Precip.
100%
Night
79°F
SW 21 mph
Precip.
100%
18.01
sun
Day
79°F
SW 25 mph
Precip.
100%
Night
77°F
SW 29 mph
Precip.
100%
19.01
mon
Day
77°F
SW 32 mph
Precip.
100%
Night
77°F
SW 30 mph
Precip.
100%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 81.5°F. The highest and lowest sea temperatures during the month were 82.8°F and 80.8°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:
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 80.5 °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
13:10
Grand Cayman
+82°F
W 16 mph
Feels like: +93°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
Grand Cayman
+82°F
George Town
+82°F
Cayman Brac
+81°F
Little Cayman
+81°F
24 Hours Forecast
Grand Cayman
Local time: 13:10
January 13, tuesday
1500
82°F
SW
14 mph
1800
79°F
SW
16 mph
2100
79°F
W
15 mph
January 14, wednesday
0000
79°F
W
12 mph
0300
77°F
W
11 mph
0600
77°F
W
10 mph
0900
77°F
W
10 mph
1200
81°F
W
6 mph
Units of measurement: °C / °F