18.03
wed
wed
Day
72°F
W 3 mph
Precip.
100%
100%
Night
72°F
NE 1 mph
Precip.
69%
69%
19.03
thu
thu
Day
77°F
NW 8 mph
Precip.
100%
100%
Night
70°F
NE 3 mph
Precip.
0%
0%
20.03
fri
fri
Day
77°F
NW 10 mph
Precip.
100%
100%
Night
72°F
N 6 mph
Precip.
0%
0%
21.03
sat
sat
Day
77°F
NW 2 mph
Precip.
100%
100%
Night
72°F
SE 2 mph
Precip.
100%
100%
22.03
sun
sun
Day
75°F
W 5 mph
Precip.
100%
100%
Night
70°F
SE 5 mph
Precip.
100%
100%
23.03
mon
mon
Day
68°F
NE 7 mph
Precip.
100%
100%
Night
66°F
S 6 mph
Precip.
100%
100%
24.03
tue
tue
Day
68°F
S 12 mph
Precip.
100%
100%
Night
68°F
S 7 mph
Precip.
100%
100%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.4°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 77.9°F and 76.1°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: 11:21
March 18, wednesday
1200
72°F
W
3 mph
3 mph
1500
72°F
SW
2 mph
2 mph
1800
72°F
W
1 mph
1 mph
2100
72°F
N
2 mph
2 mph
March 19, thursday
0000
72°F
NE
1 mph
1 mph
0300
70°F
E
1 mph
1 mph
0600
68°F
E
1 mph
1 mph
0900
75°F
NW
2 mph
2 mph
