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.

Friday
23rd Jan
26

20

2

5
Saturday
24th Jan
27

21

2

6
Sunday
25th Jan
28

21

8

7
Monday
26th Jan
27

21

6

6
Tuesday
27th Jan
28

21

4

6

5-day weather forecast updated at 04:01 on Friday 23rd January 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

Travelbag: up to 50% off 2026 holidays

Sale

Save up to 50% on 2026 holidays & tours with Travelbag
Book selected stays in popular destinations around the world
Travel before 31st December 2026 (inclusive)

Go to Travelbag deal >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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 Friday 23rd January 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 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a gentle breeze of 17 kph from the north-west.

26
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
80
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from NW

Kailua, Big Island weather for Saturday 24th January 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 13 kph from the south-west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
75
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
13
kph wind from SW

Kailua, Big Island weather for Sunday 25th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
scattered clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from NE

Kailua, Big Island weather for Monday 26th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

27
°C maximum temperature
21
°C minimum temperature
scattered clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Kailua, Big Island weather for Tuesday 27th January 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 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 14 kph from the west.