See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
27°
Mostly Clear
Feels Like: 26°
Min: 26°
Max: 27°
The next few hours will be mostly clear, with today reaching 27°C and dropping to 25°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:21
Sunrise
18:29
Sunset
Moon
Waxing Crescent
09:37
Moonrise
20:16
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Weather in Kailua today, September 14, 2026
Kailua looks damp on September 14, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 27°C. Expect humidity between 68% and 76%, most humid near 23:00. Airflow remains manageable, reaching about 4.9 km/h around 20:00.
Through the afternoon wet weather remains a factor, with rain chances near 22% around 21:00. Cloud also stays substantial, close to 21% near 15:00. Visibility stays near 16.1 km. The sun rises at 06:21 and sets at 18:29, for a total of 12 hours 8 minutes of sunlight today.
In short, treat September 14, 2026 in Kailua as a damp day: pack covers, watch the wetter hours, and expect a high near 27°C.
Frequently asked questions about weather in Kailua
How warm does it get in Kailua?
The warmest month in Kailua is September, with average high temperatures of 28°C. The average temperature during this period is around 26°C.
How cold does it get in Kailua?
The coldest month in Kailua is February, with average low temperatures of 21°C. The average temperature during this period is around 22°C.
What is the wettest time of year in Kailua?
The wettest month in Kailua is December, with an average of 71mm of precipitation.
What is the driest time of year in Kailua?
The driest month in Kailua is September, with an average of 33mm of precipitation.
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