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.

Wednesday
7th Jan
79

68

3

2
Thursday
8th Jan
81

68

5

5
Friday
9th Jan
81

68

8

6
Saturday
10th Jan
81

70

8

5
Sunday
11th Jan
79

70

6

6

5-day weather forecast updated at 04:01 on Wednesday 7th January 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 Wednesday 7th January 2026

Expect mostly cloudy with light 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 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 11 mph from the south-east.

79
°F maximum temperature
68
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
83
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
mph wind from SE

Kailua, Big Island weather for Thursday 8th January 2026

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 8 mph from the east.

81
°F maximum temperature
68
°F minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
50
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
8
mph wind from E

Kailua, Big Island weather for Friday 9th January 2026

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

81
°F maximum temperature
68
°F minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
8
mph wind from NW

Kailua, Big Island weather for Saturday 10th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-east.

81
°F maximum temperature
70
°F minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
8
mph wind from NE

Kailua, Big Island weather for Sunday 11th January 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south-east.