Kailua, Oahu weather live forecast

Today's maximum temperature in Kailua, Oahu is expected to be 26°C. Select a day from the live weather forecast for Kailua, Oahu, Hawaii, USA for more weather parameters.

Thursday
21st May
26

24

5

UV9
Friday
22nd May
26

23

6

UV9
Saturday
23rd May
25

23

7

UV9
Sunday
24th May
26

23

6

UV10
Monday
25th May
26

23

6

UV10

5-day weather forecast updated at 04:02 on Friday 22nd May 2026 GMT

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The 5-day weather forecast for Hawaii (Kailua, Oahu) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Kailua, Oahu weather forecast by day

Below are the detailed weather forecasts for Kailua, Oahu for the next 5 days.

Kailua, Oahu weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Kailua, Oahu, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a fresh breeze of 30 kph from the north-east.

26
°C maximum temperature
24
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
UV9
UV index (Very High)
3
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
30
kph wind from NE

Kailua, Oahu weather for Friday 22nd May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from NE

Kailua, Oahu weather for Saturday 23rd May 2026

Expect sunshine and showers in Kailua, Oahu, Hawaii with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 29 kph from the north-east.

25
°C maximum temperature
23
°C minimum temperature
sunshine and showers
7
hours of sunshine
UV9
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from NE

Kailua, Oahu weather for Sunday 24th May 2026

Expect sunshine and showers in Kailua, Oahu, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 26 kph from the north-east.

26
°C maximum temperature
23
°C minimum temperature
sunshine and showers
6
hours of sunshine
UV10
UV index (Very High)
46
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
26
kph wind from NE

Kailua, Oahu weather for Monday 25th May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-east.