26.04
sun
sun
Day
77°F
W 11 mph
Precip.
0%
0%
Night
72°F
W 9 mph
Precip.
64%
64%
27.04
mon
mon
Day
77°F
W 12 mph
Precip.
100%
100%
Night
72°F
W 11 mph
Precip.
100%
100%
28.04
tue
tue
Day
75°F
SW 9 mph
Precip.
100%
100%
Night
72°F
W 9 mph
Precip.
100%
100%
29.04
wed
wed
Day
75°F
W 12 mph
Precip.
0%
0%
Night
72°F
W 10 mph
Precip.
100%
100%
30.04
thu
thu
Day
75°F
W 14 mph
Precip.
100%
100%
Night
72°F
W 12 mph
Precip.
100%
100%
01.05
fri
fri
Day
75°F
W 12 mph
Precip.
100%
100%
Night
72°F
W 12 mph
Precip.
100%
100%
02.05
sat
sat
Day
75°F
W 12 mph
Precip.
83%
83%
Night
72°F
W 12 mph
Precip.
100%
100%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 75.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 75.1°F. The highest and lowest sea temperatures during the month were 75.7°F and 74.5°F.
Air temperature in Kauai, °F
Precipitation total in Kauai, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kauai
Kauai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kauai
Local time: 11:16
April 26, sunday
1200
77°F
W
11 mph
11 mph
1500
77°F
W
12 mph
12 mph
1800
75°F
W
10 mph
10 mph
2100
73°F
W
9 mph
9 mph
April 27, monday
0000
72°F
W
9 mph
9 mph
0300
72°F
W
9 mph
9 mph
0600
70°F
W
7 mph
7 mph
0900
75°F
W
9 mph
9 mph
