Kailua, Big Island weather live forecast

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

Saturday
11th Jul
29

23

7

6
Sunday
12th Jul
28

22

3

8
Monday
13th Jul
28

22

3

6
Tuesday
14th Jul
27

22

3

6
Wednesday
15th Jul
27

21

3

5

5-day weather forecast updated at 04:01 on Sunday 12th July 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 Saturday 11th July 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, moderate 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 19 kph from the south-west.

29
°C maximum temperature
23
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from SW

Kailua, Big Island weather for Sunday 12th July 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 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 16 kph from the south.

28
°C maximum temperature
22
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
42
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from S

Kailua, Big Island weather for Monday 13th July 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 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 15 kph from the south-west.

28
°C maximum temperature
22
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
47
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Tuesday 14th July 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 16 kph from the south-west.

27
°C maximum temperature
22
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
6
UV index (High)
66
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from SW

Kailua, Big Island weather for Wednesday 15th July 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.