Measurements:
°C
°F
CURRENT WEATHER
09:17
Kauai
80°F
W 9 mph
Feels like: 84°F
Precip: 29%
World Resorts USA Kauai Weather

14 Day Weather Forecast

08.05
wed
DAY
82°F
W 12 mph
precip
21%
NIGHT
78°F
W 11 mph
precip
33%
08.06
thu
DAY
82°F
W 12 mph
precip
21%
NIGHT
78°F
W 9 mph
precip
31%
08.07
fri
DAY
82°F
W 12 mph
precip
21%
NIGHT
78°F
W 11 mph
precip
17%
08.08
sat
DAY
82°F
W 13 mph
precip
17%
NIGHT
78°F
W 12 mph
precip
32%
08.09
sun
DAY
82°F
W 12 mph
precip
19%
NIGHT
78°F
W 11 mph
precip
32%
08.10
mon
DAY
82°F
W 11 mph
precip
15%
NIGHT
78°F
W 8 mph
precip
14%
08.11
tue
DAY
84°F
W 11 mph
precip
12%
NIGHT
78°F
W 10 mph
precip
31%
08.12
wed
DAY
84°F
W 11 mph
precip
12%
NIGHT
78°F
W 11 mph
precip
30%
08.13
thu
DAY
84°F
W 12 mph
precip
22%
NIGHT
78°F
W 11 mph
precip
31%
08.14
fri
DAY
84°F
W 13 mph
precip
10%
NIGHT
78°F
W 12 mph
precip
34%
08.15
sat
DAY
84°F
W 12 mph
precip
18%
NIGHT
78°F
W 11 mph
precip
34%
08.16
sun
DAY
84°F
W 11 mph
precip
4%
NIGHT
78°F
W 12 mph
precip
23%
08.17
mon
DAY
82°F
W 12 mph
precip
23%
NIGHT
76°F
W 11 mph
precip
32%
08.18
tue
DAY
82°F
W 13 mph
precip
36%
NIGHT
78°F
W 12 mph
precip
28%

Kauai Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kauai was 82.3°F. The maximum and minimum values were 79.0°F and 84.8°F respectively.

Kauai on the Weather Map

Best Time to Visit Kauai
The most sunny months:
January 6 days
December 5 days
February 4 days
The most warm months:
September 83.7 °F
August 83.4 °F
October 82.4 °F
Warmest sea temperature:
September 83.9 °F
October 83.8 °F
August 82.9 °F
The most cold months:
February 76.2 °F
March 76.9 °F
January 77.4 °F
The most rainy months:
March 2 days
January 2 days
February 2 days
The most windy months:
July 11 mph
June 11 mph
May 11 mph
more details
USA Resorts:
NAME
F°
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Kauai
Local time: 09:17
05 aug, wednesday
1200 82°F
W
12 mph
1500 82°F
W
11 mph
1800 80°F
W
10 mph
2100 78°F
W
9 mph
06 aug, thursday
0000 78°F
W
11 mph
0300 76°F
W
9 mph
0600 76°F
W
8 mph
0900 80°F
W
10 mph