Kailua, Big Island weather live forecast

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

Monday
8th Dec
27

20

5

2
Tuesday
9th Dec
27

20

6

4
Wednesday
10th Dec
27

20

6

6
Thursday
11th Dec
27

20

7

6
Friday
12th Dec
27

20

7

6

5-day weather forecast updated at 04:01 on Monday 8th December 2025 GMT

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

Kailua, Big Island weather forecast by day

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

Kailua, Big Island weather for Monday 8th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-west.

27
°C maximum temperature
20
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from SW

Kailua, Big Island weather for Tuesday 9th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 15 kph from the south-west.

27
°C maximum temperature
20
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
43
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Wednesday 10th December 2025

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

27
°C maximum temperature
20
°C minimum temperature
scattered clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Thursday 11th December 2025

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.