30.08
sun
sun
Day
77°F
W 17 mph
Precip.
15%
15%
Night
75°F
W 14 mph
Precip.
19%
19%
31.08
mon
mon
Day
77°F
W 19 mph
Precip.
17%
17%
Night
75°F
W 17 mph
Precip.
34%
34%
01.09
tue
tue
Day
77°F
W 18 mph
Precip.
38%
38%
Night
77°F
W 15 mph
Precip.
24%
24%
02.09
wed
wed
Day
79°F
W 16 mph
Precip.
29%
29%
Night
75°F
W 20 mph
Precip.
37%
37%
03.09
thu
thu
Day
77°F
W 14 mph
Precip.
4%
4%
Night
75°F
W 14 mph
Precip.
30%
30%
04.09
fri
fri
Day
77°F
W 13 mph
Precip.
5%
5%
Night
75°F
W 13 mph
Precip.
14%
14%
05.09
sat
sat
Day
77°F
W 14 mph
Precip.
7%
7%
Night
75°F
W 12 mph
Precip.
8%
8%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 80.6°F and 79.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.7°F.
Air temperature in Kahului, °F
Precipitation total in Kahului, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kahului
Kahului on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kahului
Local time: 09:06
August 30, sunday
1200
77°F
W
17 mph
17 mph
1500
77°F
W
15 mph
15 mph
1800
77°F
W
17 mph
17 mph
2100
77°F
W
17 mph
17 mph
August 31, monday
0000
75°F
W
14 mph
14 mph
0300
75°F
W
18 mph
18 mph
0600
77°F
W
17 mph
17 mph
0900
77°F
W
17 mph
17 mph
