Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 25°C. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Sunday
15th Mar
25

22

1

3
Monday
16th Mar
26

23

2

8
Tuesday
17th Mar
25

22

1

6
Wednesday
18th Mar
26

22

1

10
Thursday
19th Mar
26

22

3

2

5-day weather forecast updated at 04:01 on Sunday 15th March 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 15th March 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 100% chance of some rain and a fresh breeze of 36 kph from the south.

25
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
100
% chance of some rain
>50
mm or more of rainfall expected
L
low heat & humidity
36
kph wind from S

Kailua, Big Island weather for Monday 16th March 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 24 kph from the south.

26
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
8
UV index (Very High)
100
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
24
kph wind from S

Kailua, Big Island weather for Tuesday 17th March 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 14 kph from the south.

25
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
100
% chance of some rain
<30
mm of rainfall expected
25
°C wind chill
14
kph wind from S

Kailua, Big Island weather for Wednesday 18th March 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 18 kph from the south.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
10
UV index (Very High)
97
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Kailua, Big Island weather for Thursday 19th March 2026

Expect isolated thunderstorms in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 24 kph from the south.