Live Weather & Forecast
Weather in Waimalu
Hawaii, United States · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
68°F / Feels 68°F
Light rain
Waimalu, Hawaii
🌙 Nighttime
Updated: 2026-04-13 05:15
Humidity
94%
Wind
3.6 km/h NNW
Wind Gust
10.8 km/h
Pressure
1016 mb
Visibility
8 km
UV Index
0
(Low)
Precipitation
0.41 mm
Cloud Cover
100%
Dew Point
19.1°C
Wind Degree
330°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
122.9 μg/m³
NO₂
2.1 μg/m³
O₃
65 μg/m³
SO₂
1.5 μg/m³
PM 2.5
8.5 μg/m³
PM 10
11.8 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 Waimalu, Hawaii
12 AM
21°
Patchy rain nearby
1 AM
21°
Patchy rain nearby
2 AM
21°
Patchy rain nearby
3 AM
21°
Patchy light drizzle
4 AM
21°
Patchy light drizzle
5 AM
20°
Light rain
6 AM
21°
Patchy light drizzle
7 AM
21°
Patchy rain nearby
8 AM
21°
Patchy rain nearby
9 AM
22°
Patchy rain nearby
10 AM
22°
Patchy rain nearby
11 AM
22°
Partly Cloudy
12 PM
23°
Cloudy
1 PM
23°
Cloudy
2 PM
23°
Patchy rain nearby
3 PM
23°
Patchy rain nearby
4 PM
23°
Light drizzle
5 PM
23°
Patchy rain nearby
6 PM
23°
Partly Cloudy
7 PM
23°
Partly Cloudy
8 PM
23°
Partly Cloudy
9 PM
23°
Partly Cloudy
10 PM
23°
Light drizzle
11 PM
22°
Patchy rain nearby
3-Day Forecast
Daily overview for Waimalu, Hawaii
Today
Patchy rain nearby
23°
/
21°
🌧️ 99% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 2.83 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
25°
/
22°
🌧️ 87% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 4.07 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:13 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
26°
/
22°
🌧️ 89% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 9.4 km/h
🌧️ Total precip: 0.99 mm
☀️ UV Index: 2
🌅 Sunrise: 06:12 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Waimalu
Plan your trip to Waimalu, 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 Waimalu?
Current conditions in Waimalu: Light rain, temperature 20°C, humidity 94%.
What is the best time to visit Waimalu?
The best time to visit Waimalu is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Waimalu?
Waimalu is located at approximately 21.4° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Waimalu?
The wettest period in Waimalu is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Waimalu?
For visits to Waimalu during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Waimalu in?
Waimalu is located in United States, in the state of Hawaii.
What are the public holidays in Waimalu in 2026?
View the 2026 public holidays for Waimalu on our Holidays page.
What are the GPS coordinates used for the weather forecast in Waimalu?
The weather forecast for Waimalu uses coordinates 21.4007, -157.9474.