Measurements:
°C
°F
CURRENT WEATHER
15:01
Kauai
82°F
SW 11 mph
Feels like: 84°F
Precip: 18%
World Resorts USA Kauai Weather

7 Day Weather Forecast

10.05
mon
DAY
82°F
W 11 mph
precip
17%
NIGHT
78°F
W 8 mph
precip
20%
10.06
tue
DAY
82°F
W 9 mph
precip
4%
NIGHT
76°F
NW 4 mph
precip
20%
10.07
wed
DAY
82°F
SE 9 mph
precip
25%
NIGHT
78°F
E 1 mph
precip
20%
10.08
thu
DAY
82°F
S 7 mph
precip
23%
NIGHT
78°F
S 2 mph
precip
29%
10.09
fri
DAY
82°F
S 8 mph
precip
39%
NIGHT
76°F
SE 6 mph
precip
20%
10.10
sat
DAY
76°F
SE 7 mph
precip
15%
NIGHT
74°F
S 3 mph
precip
13%
10.11
sun
DAY
78°F
SW 7 mph
precip
10%
NIGHT
74°F
W 4 mph
precip
9%

Kauai Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Kauai was 27.4°F. The maximum and minimum values were 26.9°F and 27.7°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
October 82.4 °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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