Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 79°F. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Saturday
23rd May
79

70

6

UV4
Sunday
24th May
81

70

5

UV8
Monday
25th May
81

68

6

UV8
Tuesday
26th May
81

68

4

UV4
Wednesday
27th May
81

68

5

UV9

5-day weather forecast updated at 04:00 on Saturday 23rd May 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 Saturday 23rd May 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 79°F, 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 28% chance of some rain and a gentle breeze of 10 mph from the north-east.

79
°F maximum temperature
70
°F minimum temperature
sunshine and showers
6
hours of sunshine
UV4
UV index (Moderate)
28
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
mph wind from NE

Kailua, Big Island weather for Sunday 24th May 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 9 mph from the east.

81
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
5
hours of sunshine
UV8
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
mph wind from E

Kailua, Big Island weather for Monday 25th May 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

81
°F maximum temperature
68
°F minimum temperature
broken clouds
6
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
mph wind from NE

Kailua, Big Island weather for Tuesday 26th May 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 10 mph from the south-west.

81
°F maximum temperature
68
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV4
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
mph wind from SW

Kailua, Big Island weather for Wednesday 27th May 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.