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.

Saturday
18th Apr
26

22

4

5
Sunday
19th Apr
26

22

2

4
Monday
20th Apr
26

22

3

4
Tuesday
21st Apr
27

21

4

8
Wednesday
22nd Apr
27

21

7

9

5-day weather forecast updated at 04:01 on Saturday 18th April 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 18th April 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 15 kph from the north-east.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
73
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from NE

Kailua, Big Island weather for Sunday 19th April 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 15 kph from the south-west.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
85
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

Kailua, Big Island weather for Monday 20th April 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 18 kph from the south.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
63
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Kailua, Big Island weather for Tuesday 21st April 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 14 kph from the north-west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
77
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from NW

Kailua, Big Island weather for Wednesday 22nd April 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 27°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 80% chance of some rain and a gentle breeze of 14 kph from the south.