Kailua, Oahu weather live forecast

Today's maximum temperature in Kailua, Oahu is expected to be 84°F. Select a day from the live weather forecast for Kailua, Oahu, Hawaii, USA for more weather parameters.

Wednesday
19th Aug
84

75

6

11
Thursday
20th Aug
86

77

7

11
Friday
21st Aug
88

75

7

11
Saturday
22nd Aug
88

77

7

11
Sunday
23rd Aug
86

79

5

11

5-day weather forecast updated at 04:03 on Wednesday 19th August 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 19th August 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north-east.

84
°F maximum temperature
75
°F minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from NE

Kailua, Oahu weather for Thursday 20th August 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-east.

86
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from NE

Kailua, Oahu weather for Friday 21st August 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the east.

88
°F maximum temperature
75
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from E

Kailua, Oahu weather for Saturday 22nd August 2026

88
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from E

Kailua, Oahu weather for Sunday 23rd August 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-east.