Live Weather & Forecast
Weather in Kailua
Hawaii, United States · Real-time conditions & 3-day outlook
26°C
Feels like 28°C
79°F / Feels 83°F
Partly Cloudy
Kailua, Hawaii
🌞 Daytime
Updated: 2026-04-13 10:15
Humidity
74%
Wind
9.7 km/h WNW
Wind Gust
11.2 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
6.1
(High)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
20.7°C
Wind Degree
283°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
129.9 μg/m³
NO₂
1.7 μg/m³
O₃
46 μg/m³
SO₂
1 μg/m³
PM 2.5
6.1 μg/m³
PM 10
8.4 μg/m³
Weather Alerts 1
Met
· Severe · Future
Flood Watch issued April 12 at 3:00PM HST until April 13 at 6:00AM HST by NWS Honolulu HI
...FLOOD WATCH IN EFFECT FOR KAUAI OAHU MOLOKAI AND MAUI THROUGH 6 AM HST MONDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Kauai, Oahu, Maui, Molokai, Lanai, Kahoolawe, and Niihau. * WHEN...Through 6 AM HST Monday morning. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may re...
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Today's Hourly Forecast
24-hour breakdown for Kailua, Hawaii
12 AM
24°
Patchy rain nearby
1 AM
24°
Partly Cloudy
2 AM
24°
Partly Cloudy
3 AM
24°
Cloudy
4 AM
23°
Patchy rain nearby
5 AM
23°
Patchy rain nearby
6 AM
24°
Cloudy
7 AM
24°
Patchy rain nearby
8 AM
24°
Sunny
9 AM
25°
Partly Cloudy
10 AM
26°
Partly Cloudy
11 AM
25°
Patchy rain nearby
12 PM
25°
Patchy rain nearby
1 PM
25°
Patchy rain nearby
2 PM
26°
Patchy rain nearby
3 PM
26°
Patchy rain nearby
4 PM
26°
Partly Cloudy
5 PM
26°
Partly Cloudy
6 PM
25°
Partly Cloudy
7 PM
25°
Partly Cloudy
8 PM
25°
Partly Cloudy
9 PM
25°
Patchy rain nearby
10 PM
25°
Partly Cloudy
11 PM
25°
Partly Cloudy
3-Day Forecast
Daily overview for Kailua, Hawaii
Today
Patchy rain nearby
26°
/
23°
🌧️ 87% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0.18 mm
☀️ UV Index: 2.6
🌅 Sunrise: 06:07 AM
🌇 Sunset: 06:41 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
26°
/
23°
🌧️ 87% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0.33 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:07 AM
🌇 Sunset: 06:42 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
25°
/
23°
🌧️ 86% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 0.34 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:06 AM
🌇 Sunset: 06:42 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Kailua
Plan your trip to Kailua, United States around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Kailua?
Current conditions in Kailua: Partly Cloudy, temperature 26°C, humidity 74%.
What is the best time to visit Kailua?
The best time to visit Kailua is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Kailua?
Kailua is located at approximately 19.7° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Kailua?
The wettest period in Kailua is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Kailua?
For visits to Kailua during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Kailua in?
Kailua is located in United States, in the state of Hawaii.
What are the public holidays in Kailua in 2026?
View the 2026 public holidays for Kailua on our Holidays page.
What are the GPS coordinates used for the weather forecast in Kailua?
The weather forecast for Kailua uses coordinates 19.6634, -155.9564.