Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 29°C. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Saturday
13th Dec
29

21

8

6
Sunday
14th Dec
28

21

6

5
Monday
15th Dec
28

21

2

5
Tuesday
16th Dec
29

22

6

5
Wednesday
17th Dec
29

21

5

6

5-day weather forecast updated at 04:01 on Sunday 14th 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 Saturday 13th December 2025

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, 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 fresh breeze of 29 kph from the south.

29
°C maximum temperature
21
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from S

Kailua, Big Island weather for Sunday 14th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 19 kph from the south.

28
°C maximum temperature
21
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
37
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
19
kph wind from S

Kailua, Big Island weather for Monday 15th December 2025

Expect mostly cloudy with light rain in Kailua, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 13 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Kailua, Big Island weather for Tuesday 16th December 2025

Expect sunshine and showers in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 14 kph from the north-east.

29
°C maximum temperature
22
°C minimum temperature
sunshine and showers
6
hours of sunshine
5
UV index (Moderate)
15
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NE

Kailua, Big Island weather for Wednesday 17th December 2025

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.