Kailua weather
At 8:45 AM local time it was partly cloudy and 27°C (80°F). Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.4 mm total). The weather is fairly even all year. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Kailua, Hawaii, United States.
Current conditions
- Clouds
- 50%
- Chance of rain
- 33%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.4 mm total)
Daily Forecast
Best Time to Visit
Weather stays about the same all year.
About Kailua weather
Is it raining in Kailua right now?
No. It’s partly cloudy and 27° right now. Mostly light, on-and-off rain; heavier around 4 PM, 5 PM (6.4 mm total).
What’s the weather like in Kailua this week?
Over the next 7 days, expect highs of 26–29° and lows of 23–24°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Tuesday.
Has it been raining in Kailua lately?
In the past 7 days, Kailua had 5 rainy days and 119.8 mm of rain in total.
What should I pack for Kailua?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Kailua weather by month
When is the best time to visit Kailua?
Kailua's weather stays fairly even through the year, so any month works, according to NASA's 2001–2025 climate averages. Average highs run from 24°C (75°F) in February to 27°C (81°F) in September.
What is the rainiest month in Kailua?
March is the wettest month, with about 77 mm (3.0 in) of rain on average. June is the driest, with about 26 mm (1.0 in).
What is the hottest month in Kailua?
September is the warmest, with average highs of 27°C (81°F) and lows of 26°C (78°F). February is the coolest, with highs of 24°C (75°F) and lows of 22°C (72°F).
Does Kailua have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is March at about 77 mm (3.0 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months