World Resorts USA Kauai Weather

Kauai 7 Days Forecast

25.06
thu
Day
77°F
W 13 mph
Precip.
47%
Night
73°F
W 12 mph
Precip.
36%
26.06
fri
Day
79°F
W 12 mph
Precip.
19%
Night
73°F
W 12 mph
Precip.
32%
27.06
sat
Day
79°F
W 14 mph
Precip.
14%
Night
73°F
W 11 mph
Precip.
30%
28.06
sun
Day
79°F
W 12 mph
Precip.
13%
Night
73°F
W 11 mph
Precip.
26%
29.06
mon
Day
79°F
W 13 mph
Precip.
31%
Night
73°F
W 13 mph
Precip.
24%
30.06
tue
Day
79°F
W 12 mph
Precip.
29%
Night
75°F
W 11 mph
Precip.
35%
01.07
wed
Day
79°F
W 14 mph
Precip.
45%
Night
75°F
W 14 mph
Precip.
41%

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 78.0°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.0°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 76.1°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.6°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

Sunniest months:
January 6 days
December 5 days
February 4 days
Warmest months:
September 80.3 °F
August 80.0 °F
July 79.2 °F
Warmest sea temp:
September 80.6 °F
October 80.4 °F
August 79.6 °F
Coldest months:
February 73.6 °F
March 74.2 °F
January 74.6 °F
Rainiest months:
March 2 days
January 2 days
February 2 days
Windiest months:
July 11.7 mph
June 10.9 mph
May 10.8 mph

Kauai on a weather map

Kauai
+73°F
W 12 mph
Feels like: +77°F
Precip.: 36%
Places in USA:
Name
°F
+66°F
+77°F
+79°F
+59°F
+79°F
+84°F
+72°F
+73°F
+70°F
+63°F
+54°F
+75°F
+73°F
+79°F
+66°F
24 Hours Forecast
Kauai
Local time: 23:12
June 26, friday
0000
73°F
W
12 mph
0300
73°F
W
11 mph
0600
72°F
W
10 mph
0900
77°F
W
12 mph
1200
79°F
W
12 mph
1500
79°F
W
14 mph
1800
77°F
W
12 mph
2100
73°F
W
11 mph
Units of measurement: °C / °F