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.

Monday
12th Jan
79

70

5

6
Tuesday
13th Jan
79

70

4

4
Wednesday
14th Jan
81

68

8

6
Thursday
15th Jan
77

68

2

4
Friday
16th Jan
77

64

5

6

5-day weather forecast updated at 04:01 on Monday 12th 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 Monday 12th January 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 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 10 mph from the south-east.

79
°F maximum temperature
70
°F minimum temperature
sunshine and showers
5
hours of sunshine
6
UV index (High)
66
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
mph wind from SE

Kailua, Big Island weather for Tuesday 13th 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 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 11 mph from the north-east.

79
°F maximum temperature
70
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
66
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
mph wind from NE

Kailua, Big Island weather for Wednesday 14th 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 moderate breeze of 17 mph from the south.

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
17
mph wind from S

Kailua, Big Island weather for Thursday 15th January 2026

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 15 mph from the south.

77
°F maximum temperature
68
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
80
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
mph wind from S

Kailua, Big Island weather for Friday 16th January 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 77°F, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-east.