Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 81°F. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Sunday
21st Dec
81

70

3

3
Monday
22nd Dec
82

70

3

2
Tuesday
23rd Dec
82

72

4

2
Wednesday
24th Dec
81

70

3

3
Thursday
25th Dec
79

68

3

2

5-day weather forecast updated at 04:01 on Monday 22nd December 2025 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 21st December 2025

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 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 11 mph from the west.

81
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
mph wind from W

Kailua, Big Island weather for Monday 22nd December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 11 mph from the west.

82
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
33
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
mph wind from W

Kailua, Big Island weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 9 mph from the south-east.

82
°F maximum temperature
72
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
30
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
mph wind from SE

Kailua, Big Island weather for Wednesday 24th December 2025

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 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 11 mph from the south-east.

81
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
29
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
mph wind from SE

Kailua, Big Island weather for Thursday 25th December 2025

Expect mostly cloudy with rain in Kailua, Big Island, Hawaii with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 9 mph from the south.