16.07
thu
thu
Day
81°F
W 13 mph
Precip.
14%
14%
Night
75°F
W 11 mph
Precip.
29%
29%
17.07
fri
fri
Day
79°F
W 13 mph
Precip.
18%
18%
Night
73°F
W 11 mph
Precip.
30%
30%
18.07
sat
sat
Day
79°F
W 12 mph
Precip.
21%
21%
Night
73°F
W 9 mph
Precip.
51%
51%
19.07
sun
sun
Day
79°F
W 12 mph
Precip.
17%
17%
Night
73°F
W 9 mph
Precip.
31%
31%
20.07
mon
mon
Day
79°F
W 11 mph
Precip.
4%
4%
Night
73°F
W 8 mph
Precip.
19%
19%
21.07
tue
tue
Day
79°F
W 11 mph
Precip.
19%
19%
Night
73°F
W 9 mph
Precip.
31%
31%
22.07
wed
wed
Day
77°F
W 12 mph
Precip.
42%
42%
Night
73°F
W 11 mph
Precip.
26%
26%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.6°F. The highest and lowest sea temperatures during the month were 79.3°F and 77.9°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: 03:48
July 16, thursday
0600
73°F
NW
9 mph
9 mph
0900
77°F
W
12 mph
12 mph
1200
81°F
W
13 mph
13 mph
1500
81°F
W
14 mph
14 mph
1800
77°F
W
13 mph
13 mph
2100
75°F
W
11 mph
11 mph
July 17, friday
0000
75°F
W
11 mph
11 mph
0300
73°F
W
11 mph
11 mph
