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.

Saturday
19th Sep
84

77

6

10
Sunday
20th Sep
84

79

7

11
Monday
21st Sep
84

77

7

10
Tuesday
22nd Sep
84

77

4

11
Wednesday
23rd Sep
84

77

6

11

5-day weather forecast updated at 04:03 on Saturday 19th September 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 Saturday 19th September 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 84°F, moderate 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 15 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from E

Kailua, Oahu weather for Sunday 20th September 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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from E

Kailua, Oahu weather for Monday 21st September 2026

Expect broken clouds in Kailua, Oahu, Hawaii with a maximum temperature of 84°F, moderate 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 moderate breeze of 14 mph from the north-east.

84
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from NE

Kailua, Oahu weather for Tuesday 22nd September 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 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
broken clouds
4
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 Wednesday 23rd September 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 moderate breeze of 14 mph from the north-east.