Kailua, Big Island weather live forecast

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

Sunday
25th Jan
28

21

8

6
Monday
26th Jan
28

20

5

5
Tuesday
27th Jan
27

20

5

6
Wednesday
28th Jan
28

21

4

6
Thursday
29th Jan
26

21

3

7

5-day weather forecast updated at 04:01 on Sunday 25th 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 Sunday 25th January 2026

Expect scattered clouds in Kailua, 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 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

28
°C maximum temperature
21
°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 NE

Kailua, Big Island weather for Monday 26th January 2026

Expect scattered clouds in Kailua, 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 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

28
°C maximum temperature
20
°C minimum temperature
scattered clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from NW

Kailua, Big Island weather for Tuesday 27th January 2026

Expect broken clouds in Kailua, 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 mm of rainfall expected and a gentle breeze of 15 kph from the north.

27
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from N

Kailua, Big Island weather for Wednesday 28th January 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 15 kph from the south-west.

28
°C maximum temperature
21
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
51
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Thursday 29th 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 7 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 13 kph from the north.