Measurements:
°C
°F
CURRENT WEATHER
18:46
Kauai
76°F
W 8 mph
Feels like: 80°F
Precip: 32%
World Resorts USA Kauai Weather

7 Day Weather Forecast

10.26
mon
DAY
78°F
SW 9 mph
precip
32%
NIGHT
76°F
W 5 mph
precip
23%
10.27
tue
DAY
78°F
NW 7 mph
precip
22%
NIGHT
68°F
NW 6 mph
precip
30%
10.28
wed
DAY
78°F
W 9 mph
precip
16%
NIGHT
74°F
W 8 mph
precip
25%
10.29
thu
DAY
80°F
W 9 mph
precip
18%
NIGHT
76°F
W 8 mph
precip
30%
10.30
fri
DAY
80°F
W 9 mph
precip
15%
NIGHT
76°F
W 6 mph
precip
33%
10.31
sat
DAY
80°F
W 11 mph
precip
32%
NIGHT
76°F
SW 7 mph
precip
13%
11.01
sun
DAY
78°F
SW 11 mph
precip
36%
NIGHT
74°F
SW 11 mph
precip
45%

Kauai Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Kauai was 26.9°F. The maximum and minimum values were 26.4°F and 27.3°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 83.2 °F
August 83.2 °F
July 82.3 °F
Warmest sea temperature:
September 83.9 °F
October 83.8 °F
August 83.0 °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
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