Kailua, Big Island weather live forecast

Today's maximum temperature in Kailua, Big Island is expected to be 25°C. Select a day from the live weather forecast for Kailua, Big Island, Hawaii, USA for more weather parameters.

Friday
16th Jan
25

18

9

7
Saturday
17th Jan
25

17

8

4
Sunday
18th Jan
25

17

4

3
Monday
19th Jan
26

18

4

3
Tuesday
20th Jan
26

18

7

6

5-day weather forecast updated at 04:01 on Friday 16th 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 Friday 16th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-east.

25
°C maximum temperature
18
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from NE

Kailua, Big Island weather for Saturday 17th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

25
°C maximum temperature
17
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from NE

Kailua, Big Island weather for Sunday 18th January 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

25
°C maximum temperature
17
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

Kailua, Big Island weather for Monday 19th January 2026

Expect broken clouds in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

26
°C maximum temperature
18
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from W

Kailua, Big Island weather for Tuesday 20th January 2026

Expect scattered clouds in Kailua, Big Island, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.