Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 26°C. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Wednesday
7th Jan
26

20

3

2
Thursday
8th Jan
27

20

5

5
Friday
9th Jan
27

20

8

6
Saturday
10th Jan
27

21

8

5
Sunday
11th Jan
26

21

6

6

5-day weather forecast updated at 04:01 on Wednesday 7th January 2026 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 Wednesday 7th January 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 17 kph from the south-east.

26
°C maximum temperature
20
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
83
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
17
kph wind from SE

Kailua, Big Island weather for Thursday 8th January 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 27°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 50% chance of some rain and a gentle breeze of 13 kph from the east.

27
°C maximum temperature
20
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
50
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
13
kph wind from E

Kailua, Big Island weather for Friday 9th January 2026

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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

27
°C maximum temperature
20
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from NW

Kailua, Big Island weather for Saturday 10th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

27
°C maximum temperature
21
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Kailua, Big Island weather for Sunday 11th January 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 26°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 13 kph from the south-east.