18.10
sun
sun
Day

77°F
SW 11 mph
Precip.
37%
37%
Night

75°F
SW 6 mph
Precip.
49%
49%
19.10
mon
mon
Day

77°F
W 8 mph
Precip.
25%
25%
Night

75°F
SW 8 mph
Precip.
66%
66%
20.10
tue
tue
Day

75°F
SW 7 mph
Precip.
4%
4%
Night

75°F
E 1 mph
Precip.
14%
14%
21.10
wed
wed
Day

77°F
W 7 mph
Precip.
4%
4%
Night

75°F
NW 5 mph
Precip.
42%
42%
22.10
thu
thu
Day

77°F
NW 11 mph
Precip.
17%
17%
Night

75°F
N 6 mph
Precip.
22%
22%
23.10
fri
fri
Day

77°F
W 8 mph
Precip.
18%
18%
Night

75°F
NE 4 mph
Precip.
18%
18%
24.10
sat
sat
Day

77°F
SW 5 mph
Precip.
38%
38%
Night

77°F
NE 5 mph
Precip.
58%
58%
25.10
sun
sun
Day

77°F
SW 7 mph
Precip.
29%
29%
Night

77°F
S 3 mph
Precip.
36%
36%
26.10
mon
mon
Day

77°F
SW 6 mph
Precip.
29%
29%
Night

75°F
SE 2 mph
Precip.
34%
34%
27.10
tue
tue
Day

77°F
SW 5 mph
Precip.
17%
17%
Night

77°F
N 2 mph
Precip.
19%
19%
28.10
wed
wed
Day

79°F
NW 17 mph
Precip.
14%
14%
Night

77°F
N 7 mph
Precip.
19%
19%
29.10
thu
thu
Day

77°F
S 8 mph
Precip.
26%
26%
Night

79°F
E 4 mph
Precip.
22%
22%
30.10
fri
fri
Day

79°F
SW 7 mph
Precip.
53%
53%
Night

75°F
SW 2 mph
Precip.
50%
50%
31.10
sat
sat
Day

75°F
NW 8 mph
Precip.
52%
52%
Night

75°F
N 2 mph
Precip.
27%
27%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 80.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 79.9°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 80.4°F and 78.8°F.
Air temperature in Hilo, °F
Precipitation total in Hilo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hilo
Hilo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilo
Local time: 13:58
October 18, sunday
1500

77°F
SW
10 mph
10 mph
1800

77°F
SW
10 mph
10 mph
2100

77°F
SW
13 mph
13 mph
October 19, monday
0000

75°F
SW
6 mph
6 mph
0300

75°F
SW
7 mph
7 mph
0600

75°F
SW
8 mph
8 mph
0900

77°F
SW
6 mph
6 mph
1200

77°F
W
8 mph
8 mph




























