Hilo, Big Island weather live forecast

Today's maximum temperature in Hilo, Big Island is expected to be 29°C. Select a day from the live weather forecast for Hilo, Big Island, Hawaii, USA for more weather parameters.

Thursday
18th Dec
29

20

7

5
Friday
19th Dec
28

21

5

6
Saturday
20th Dec
28

20

5

5
Sunday
21st Dec
27

20

4

7
Monday
22nd Dec
26

20

3

6

5-day weather forecast updated at 04:01 on Thursday 18th 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 Thursday 18th December 2025

Expect scattered clouds in Hilo, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

29
°C maximum temperature
20
°C minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

Hilo, Big Island weather for Friday 19th December 2025

Expect broken clouds 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 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

28
°C maximum temperature
21
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
9
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 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 8 kph from the east.

28
°C maximum temperature
20
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
8
kph wind from E

Hilo, Big Island weather for Sunday 21st December 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and little or no wind of 6 kph from the north-east.

27
°C maximum temperature
20
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
7
UV index (High)
32
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
6
kph wind from NE

Hilo, Big Island weather for Monday 22nd December 2025

Expect mostly cloudy with rain in Hilo, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a light breeze of 7 kph from the north-east.