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.

Sunday
13th Sep
29

25

7

6
Monday
14th Sep
29

25

6

10
Tuesday
15th Sep
29

25

9

10

5-day weather forecast updated at 04:01 on Thursday 10th September 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 13th September 2026

Expect sunshine and showers 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 0-2 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 15 kph from the north-east.

29
°C maximum temperature
25
°C minimum temperature
sunshine and showers
7
hours of sunshine
6
UV index (High)
62
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from NE

Kailua, Big Island weather for Monday 14th September 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 15 kph from the south-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Tuesday 15th September 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 17 kph from the south.