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.

Monday
20th Apr
26

21

3

4
Tuesday
21st Apr
26

21

5

9
Wednesday
22nd Apr
27

21

5

9
Thursday
23rd Apr
27

21

5

8
Friday
24th Apr
27

21

9

10

5-day weather forecast updated at 04:01 on Monday 20th April 2026 GMT

More about Kailua, Big Island

Kailua, Big Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Hawaii

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 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 62% chance of some rain and a gentle breeze of 17 kph from the north-west.

26
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from NW

Kailua, Big Island weather for Tuesday 21st 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 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 14 kph from the west.

26
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
74
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from W

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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 15 kph from the south-east.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
61
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from SE

Kailua, Big Island weather for Thursday 23rd April 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

27
°C maximum temperature
21
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from NE

Kailua, Big Island weather for Friday 24th April 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.