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.

Tuesday
14th Jul
28

23

3

8
Wednesday
15th Jul
27

24

5

6
Thursday
16th Jul
28

24

7

9
Friday
17th Jul
28

24

7

8
Saturday
18th Jul
28

24

8

8

5-day weather forecast updated at 04:01 on Wednesday 15th 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 Tuesday 14th 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 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
23
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
56
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Kailua, Big Island weather for Wednesday 15th 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 16 kph from the north-east.

27
°C maximum temperature
24
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
6
UV index (High)
32
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from NE

Kailua, Big Island weather for Thursday 16th July 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 17 kph from the north-east.

28
°C maximum temperature
24
°C minimum temperature
sunshine and showers
7
hours of sunshine
9
UV index (Very High)
35
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from NE

Kailua, Big Island weather for Friday 17th July 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 16 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
sunshine and showers
7
hours of sunshine
8
UV index (Very High)
40
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

Kailua, Big Island weather for Saturday 18th July 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.