Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 84°F. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Thursday
30th Jul
84

77

4

5
Friday
31st Jul
86

77

3

4
Saturday
1st Aug
84

75

5

4
Sunday
2nd Aug
84

75

4

4
Monday
3rd Aug
82

75

5

10

5-day weather forecast updated at 04:01 on Thursday 30th July 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 Thursday 30th July 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-east.

84
°F maximum temperature
77
°F minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from SE

Kailua, Big Island weather for Friday 31st July 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 86°F, moderate 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 11 mph from the south-west.

86
°F maximum temperature
77
°F minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from SW

Kailua, Big Island weather for Saturday 1st August 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 10 mph from the east.

84
°F maximum temperature
75
°F minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
45
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
mph wind from E

Kailua, Big Island weather for Sunday 2nd August 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

84
°F maximum temperature
75
°F minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
10
mph wind from W

Kailua, Big Island weather for Monday 3rd August 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.