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
21st Jul
28

25

4

5
Wednesday
22nd Jul
28

25

3

5
Thursday
23rd Jul
28

24

3

4
Friday
24th Jul
28

24

6

4
Saturday
25th Jul
28

23

6

11

5-day weather forecast updated at 04:01 on Tuesday 21st July 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 Tuesday 21st 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 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
25
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
60
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Kailua, Big Island weather for Wednesday 22nd 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 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 18 kph from the south.

28
°C maximum temperature
25
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
47
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Kailua, Big Island weather for Thursday 23rd July 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

28
°C maximum temperature
24
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Kailua, Big Island weather for Friday 24th 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 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 18 kph from the south-west.

28
°C maximum temperature
24
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
35
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
18
kph wind from SW

Kailua, Big Island weather for Saturday 25th 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 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 18 kph from the west.