Kailua, Oahu weather live forecast

Today's maximum temperature in Kailua, Oahu is expected to be 81°F. Select a day from the live weather forecast for Kailua, Oahu, Hawaii, USA for more weather parameters.

Wednesday
20th May
81

75

6

UV11
Thursday
21st May
79

73

6

UV10
Friday
22nd May
79

73

7

UV10
Saturday
23rd May
79

72

6

UV10
Sunday
24th May
79

73

7

UV11

5-day weather forecast updated at 04:02 on Wednesday 20th 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 Wednesday 20th May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.

81
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
UV11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
17
mph wind from NE

Kailua, Oahu weather for Thursday 21st May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 79°F, 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 fresh breeze of 19 mph from the north-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
6
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
mph wind from NE

Kailua, Oahu weather for Friday 22nd May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north-east.

79
°F maximum temperature
73
°F minimum temperature
broken clouds
7
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
mph wind from NE

Kailua, Oahu weather for Saturday 23rd May 2026

Expect sunshine and showers in Kailua, Oahu, Hawaii with a maximum temperature of 79°F, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a fresh breeze of 18 mph from the north-east.

79
°F maximum temperature
72
°F minimum temperature
sunshine and showers
6
hours of sunshine
UV10
UV index (Very High)
57
% chance of some rain
<2
mm of rainfall expected
79
°F wind chill
18
mph wind from NE

Kailua, Oahu weather for Sunday 24th May 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-east.