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.

Monday
16th Feb
25

18

5

3
Tuesday
17th Feb
25

18

4

5
Wednesday
18th Feb
26

18

4

6
Thursday
19th Feb
26

18

6

4
Friday
20th Feb
26

18

1

4

5-day weather forecast updated at 04:02 on Tuesday 17th February 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 Monday 16th February 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 14 kph from the east.

25
°C maximum temperature
18
°C minimum temperature
sunshine and showers
5
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<5
mm of rainfall expected
25
°C wind chill
14
kph wind from E

Kailua, Big Island weather for Tuesday 17th February 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-west.

25
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
25
% chance of some rain
<5
mm of rainfall expected
25
°C wind chill
16
kph wind from SW

Kailua, Big Island weather for Wednesday 18th February 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 26°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 2% chance of some rain and a gentle breeze of 17 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
2
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from S

Kailua, Big Island weather for Thursday 19th February 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

26
°C maximum temperature
18
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
15
kph wind from SE

Kailua, Big Island weather for Friday 20th February 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.