Hilo, Big Island weather live forecast

Today's maximum temperature in Hilo, Big Island is expected to be 28°C. Select a day from the live weather forecast for Hilo, Big Island, Hawaii, USA for more weather parameters.

Thursday
18th Jun
28

19

6

8
Friday
19th Jun
29

20

7

11
Saturday
20th Jun
28

20

5

11
Sunday
21st Jun
27

20

5

10
Monday
22nd Jun
27

20

4

10

5-day weather forecast updated at 04:00 on Thursday 18th June 2026 GMT

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The 5-day weather forecast for Hawaii (Hilo, Big Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hilo, Big Island weather forecast by day

Below are the detailed weather forecasts for Hilo, Big Island for the next 5 days.

Hilo, Big Island weather for Thursday 18th June 2026

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a light breeze of 7 kph from the east.

28
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
26
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
7
kph wind from E

Hilo, Big Island weather for Friday 19th June 2026

Expect broken clouds in Hilo, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

29
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from E

Hilo, Big Island weather for Saturday 20th June 2026

Expect broken clouds in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

28
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from NE

Hilo, Big Island weather for Sunday 21st June 2026

Expect broken clouds in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

27
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from NE

Hilo, Big Island weather for Monday 22nd June 2026

Expect broken clouds in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.