08.23
sun
sun
DAY
92°F
W 14 mph
precip
5%
5%
NIGHT
88°F
W 17 mph
precip
33%
33%
08.24
mon
mon
DAY
88°F
W 15 mph
precip
6%
6%
NIGHT
88°F
W 19 mph
precip
20%
20%
08.25
tue
tue
DAY
90°F
W 16 mph
precip
7%
7%
NIGHT
88°F
W 19 mph
precip
18%
18%
08.26
wed
wed
DAY
90°F
W 16 mph
precip
19%
19%
NIGHT
88°F
W 16 mph
precip
22%
22%
08.27
thu
thu
DAY
88°F
W 13 mph
precip
13%
13%
NIGHT
88°F
W 14 mph
precip
54%
54%
08.28
fri
fri
DAY
90°F
W 15 mph
precip
12%
12%
NIGHT
88°F
W 19 mph
precip
11%
11%
08.29
sat
sat
DAY
90°F
W 16 mph
precip
13%
13%
NIGHT
88°F
W 17 mph
precip
7%
7%
08.30
sun
sun
DAY
90°F
W 16 mph
precip
14%
14%
NIGHT
88°F
W 20 mph
precip
32%
32%
08.31
mon
mon
DAY
90°F
W 16 mph
precip
9%
9%
NIGHT
88°F
W 18 mph
precip
17%
17%
09.01
tue
tue
DAY
90°F
W 12 mph
precip
13%
13%
NIGHT
88°F
W 15 mph
precip
10%
10%
09.02
wed
wed
DAY
88°F
W 11 mph
precip
13%
13%
NIGHT
88°F
W 13 mph
precip
11%
11%
09.03
thu
thu
DAY
88°F
SW 6 mph
precip
6%
6%
NIGHT
88°F
NW 12 mph
precip
21%
21%
09.04
fri
fri
DAY
88°F
SW 7 mph
precip
8%
8%
NIGHT
88°F
W 14 mph
precip
7%
7%
09.05
sat
sat
DAY
88°F
W 11 mph
precip
12%
12%
NIGHT
88°F
W 15 mph
precip
19%
19%
Sea water
temperature
temperature
| Cayo Guillermo |
Weather in
August
August
| Cayo Guillermo |
7 day weather
forecast
forecast
| Cayo Guillermo |
10 day weather
forecast
forecast
| Cayo Guillermo |
14 day weather
forecast
forecast
| Cayo Guillermo |
Monthly weather
averages
averages
| Cayo Guillermo |
Current Weather
Conditions
Conditions
| Cayo Guillermo |
When is the Best
Time to Visit?
Time to Visit?
| Cayo Guillermo |
Cayo Guillermo Sea Water Temperature in August, °F
The average sea surface temperature in August 2026 for Cayo Guillermo was 90.8°F. The maximum and minimum values were 89.4°F and 92.0°F respectively.
Cayo Guillermo on the Weather Map
Cuba Resorts:
NAME
F°
| Cayo Coco |  |
+86 |
| Cayo Guillermo |  |
+90 |
| Cayo Largo |  |
+80 |
| Cayo Santa Maria | |
+90 |
| Cienfuegos | |
+82 |
| Havana | |
+86 |
| Holguin | |
+88 |
| Matanzas | |
+82 |
| Pinar del Rio | |
+82 |
| Playa Blanca |  |
+88 |
| Playa Esmeralda | |
+88 |
| Playa Santa Lucia | |
+88 |
| Santa Maria | |
+90 |
| Santiago de Cuba | |
+86 |
| Varadero | |
+90 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cayo Guillermo
Local time: 07:48
23 aug, sunday
| 0900 | |
90°F | W 14 mph |
| 1200 | |
92°F | W 14 mph |
| 1500 | |
92°F | W 17 mph |
| 1800 | |
88°F | W 22 mph |
| 2100 | |
88°F | W 17 mph |
24 aug, monday
| 0000 | |
88°F | W 17 mph |
| 0300 | |
88°F | W 17 mph |
| 0600 | |
88°F | W 16 mph |