Hilo, Big Island weather live forecast

Today's maximum temperature in Hilo, Big Island is expected to be 27°C. Select a day from the live weather forecast for Hilo, Big Island, Hawaii, USA for more weather parameters.

Tuesday
16th Dec
27

21

6

5
Wednesday
17th Dec
28

21

8

6
Thursday
18th Dec
29

20

8

6
Friday
19th Dec
28

20

5

6
Saturday
20th Dec
27

20

5

6

5-day weather forecast updated at 04:01 on Tuesday 16th December 2025 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 Tuesday 16th December 2025

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 13 kph from the south.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
27
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
13
kph wind from S

Hilo, Big Island weather for Wednesday 17th December 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 10-20 mm of rainfall expected with 9% chance of some rain and a gentle breeze of 15 kph from the south.

28
°C maximum temperature
21
°C minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
9
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
15
kph wind from S

Hilo, Big Island weather for Thursday 18th December 2025

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a light breeze of 9 kph from the south-east.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
5
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SE

Hilo, Big Island weather for Friday 19th December 2025

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a light breeze of 8 kph from the south-east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
34
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
8
kph wind from SE

Hilo, Big Island weather for Saturday 20th December 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and little or no wind of 6 kph from the east.