World Resorts USA Hilo Weather

Hilo 14 Days Forecast

19.05
tue
Day
75°F
SW 7 mph
Precip.
100%
Night
72°F
SW 4 mph
Precip.
100%
20.05
wed
Day
73°F
SW 11 mph
Precip.
100%
Night
72°F
SW 8 mph
Precip.
100%
21.05
thu
Day
72°F
SW 11 mph
Precip.
100%
Night
70°F
S 9 mph
Precip.
100%
22.05
fri
Day
72°F
SW 12 mph
Precip.
84%
Night
70°F
S 9 mph
Precip.
73%
23.05
sat
Day
72°F
SW 11 mph
Precip.
100%
Night
70°F
SW 7 mph
Precip.
100%
24.05
sun
Day
72°F
SW 9 mph
Precip.
100%
Night
66°F
SE 4 mph
Precip.
100%
25.05
mon
Day
73°F
SW 8 mph
Precip.
100%
Night
70°F
NW 4 mph
Precip.
20%
26.05
tue
Day
73°F
SW 9 mph
Precip.
0%
Night
70°F
NW 4 mph
Precip.
67%
27.05
wed
Day
73°F
SW 8 mph
Precip.
100%
Night
70°F
SW 6 mph
Precip.
100%
28.05
thu
Day
73°F
SW 7 mph
Precip.
100%
Night
72°F
SW 4 mph
Precip.
100%
29.05
fri
Day
75°F
W 7 mph
Precip.
70%
Night
72°F
W 2 mph
Precip.
100%
30.05
sat
Day
73°F
W 1 mph
Precip.
100%
Night
73°F
E 1 mph
Precip.
100%
31.05
sun
Day
77°F
W 8 mph
Precip.
100%
Night
73°F
NW 4 mph
Precip.
100%
01.06
mon
Day
79°F
W 8 mph
Precip.
100%
Night
75°F
W 3 mph
Precip.
100%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 78.1°F. The highest and lowest sea temperatures during the month were 78.6°F and 77.4°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 79.2°F and 78.3°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

Sunniest months:
January 17 days
October 15 days
June 14 days
Warmest months:
September 78.1 °F
August 78.0 °F
October 77.9 °F
Warmest sea temp:
September 80.4 °F
October 80.0 °F
August 79.8 °F
Coldest months:
March 73.2 °F
February 73.3 °F
April 73.4 °F
Rainiest months:
March 6 days
November 5 days
February 5 days
Windiest months:
March 8.5 mph
April 8.4 mph
August 8.2 mph

Hilo on a weather map

Current weather
04:06
Hilo
+72°F
W 2 mph
Feels like: +72°F
Precip.: 100%
Places in USA:
Name
°F
Boston
+82°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+61°F
Los Angeles
+57°F
Miami
+75°F
Miami Beach
+75°F
Maui
+70°F
New York
+82°F
San Diego
+55°F
San Francisco
+59°F
Sarasota
+81°F
Tampa
+81°F
Houston
+79°F
Chicago
+63°F
all places
24 Hours Forecast
Hilo
Local time: 04:06
May 19, tuesday
0600
72°F
W
2 mph
0900
73°F
W
8 mph
1200
75°F
SW
7 mph
1500
75°F
SW
10 mph
1800
73°F
SW
9 mph
2100
73°F
SW
6 mph
May 20, wednesday
0000
72°F
SW
4 mph
0300
72°F
SW
2 mph
Units of measurement: °C / °F