World Resorts USA Kahului Weather

Kahului 14 Days Forecast

20.09
sun
Day
79°F
W 20 mph
Precip.
23%
Night
77°F
W 19 mph
Precip.
23%
21.09
mon
Day
79°F
SW 17 mph
Precip.
7%
Night
77°F
W 16 mph
Precip.
39%
22.09
tue
Day
79°F
W 21 mph
Precip.
21%
Night
77°F
W 19 mph
Precip.
27%
23.09
wed
Day
77°F
W 18 mph
Precip.
37%
Night
77°F
W 16 mph
Precip.
42%
24.09
thu
Day
77°F
W 18 mph
Precip.
62%
Night
75°F
W 19 mph
Precip.
45%
25.09
fri
Day
77°F
W 20 mph
Precip.
21%
Night
77°F
W 21 mph
Precip.
18%
26.09
sat
Day
77°F
W 25 mph
Precip.
32%
Night
75°F
W 24 mph
Precip.
19%
27.09
sun
Day
77°F
W 23 mph
Precip.
14%
Night
75°F
W 21 mph
Precip.
18%
28.09
mon
Day
77°F
W 21 mph
Precip.
5%
Night
75°F
W 18 mph
Precip.
26%
29.09
tue
Day
77°F
W 16 mph
Precip.
14%
Night
75°F
W 12 mph
Precip.
26%
30.09
wed
Day
77°F
SW 12 mph
Precip.
16%
Night
73°F
SW 19 mph
Precip.
51%
01.10
thu
Day
75°F
SW 14 mph
Precip.
17%
Night
73°F
SW 14 mph
Precip.
13%
02.10
fri
Day
75°F
W 14 mph
Precip.
4%
Night
73°F
W 9 mph
Precip.
25%
03.10
sat
Day
75°F
SW 12 mph
Precip.
17%
Night
75°F
W 15 mph
Precip.
38%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 81.1°F and 79.7°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 81.1°F and 79.3°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

Sunniest months:
January 19 days
September 19 days
June 18 days
Warmest months:
September 82.6 °F
August 82.2 °F
July 81.9 °F
Warmest sea temp:
September 80.2 °F
October 80.1 °F
August 79.6 °F
Coldest months:
February 75.9 °F
January 76.3 °F
March 76.3 °F
Rainiest months:
March 2 days
February 2 days
August 1 day
Windiest months:
July 12.9 mph
June 12.7 mph
November 12.3 mph

Kahului on a weather map

Kahului
+79°F
W 20 mph
Feels like: +82°F
Precip.: 23%
Places in USA:
Name
°F
+59°F
+77°F
+81°F
+84°F
+79°F
+84°F
+72°F
+70°F
+72°F
+61°F
+70°F
+88°F
+91°F
+61°F
24 Hours Forecast
Kahului
Local time: 12:25
September 20, sunday
1500
79°F
W
20 mph
1800
77°F
W
17 mph
2100
77°F
W
19 mph
September 21, monday
0000
77°F
W
19 mph
0300
75°F
W
18 mph
0600
77°F
W
16 mph
0900
79°F
W
16 mph
1200
79°F
SW
17 mph
Units of measurement: °C / °F