Measurements:
°C
°F
Kahului
80°F
W 14 mph
Feels like: 84°F
Precip: 15%
World Resorts USA Kahului Weather

7 Day Weather Forecast

10.05
mon
DAY
80°F
W 16 mph
precip
14%
NIGHT
78°F
W 13 mph
precip
7%
10.06
tue
DAY
80°F
SW 15 mph
precip
15%
NIGHT
78°F
W 9 mph
precip
7%
10.07
wed
DAY
82°F
S 6 mph
precip
4%
NIGHT
80°F
NE 2 mph
precip
6%
10.08
thu
DAY
82°F
SW 8 mph
precip
4%
NIGHT
82°F
NE 2 mph
precip
18%
10.09
fri
DAY
86°F
W 5 mph
precip
18%
NIGHT
82°F
NE 11 mph
precip
28%
10.10
sat
DAY
84°F
SW 7 mph
precip
21%
NIGHT
80°F
S 5 mph
precip
31%
10.11
sun
DAY
78°F
S 8 mph
precip
40%
NIGHT
78°F
SW 8 mph
precip
27%

Kahului Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Kahului was 26.7°F. The maximum and minimum values were 26.3°F and 27.3°F respectively.

Kahului on the Weather Map

Best Time to Visit Kahului
The most sunny months:
January 19 days
June 18 days
September 18 days
The most warm months:
September 85.9 °F
August 85.8 °F
July 85.4 °F
Warmest sea temperature:
September 83.5 °F
October 83.5 °F
August 82.9 °F
The most cold months:
February 78.8 °F
January 79.2 °F
March 79.3 °F
The most rainy months:
March 2 days
February 2 days
August 1 day
The most windy months:
July 12 mph
June 12 mph
November 12 mph