Live Weather & Forecast

Weather in Waialua

Hawaii, United States · Real-time conditions & 3-day outlook

Flag of United States
Light rain
20°C
Feels like 20°C
69°F / Feels 69°F
Light rain
Waialua, Hawaii
🌞 Daytime
Updated: 2026-04-12 12:00
💧
Humidity
94%
💨
Wind
3.6 km/h E
🌬️
Wind Gust
4.6 km/h
🌡️
Pressure
1016 mb
👁️
Visibility
9 km
☀️
UV Index
0.8 (Low)
🌧️
Precipitation
2.28 mm
☁️
Cloud Cover
88%
💦
Dew Point
19.3°C
🌐
Wind Degree
96°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
169.9 μg/m³
NO₂
4.8 μg/m³
O₃
35 μg/m³
SO₂
1.7 μg/m³
PM 2.5
2.1 μg/m³
PM 10
2.6 μg/m³

Weather Alerts 2

Met · Severe · Future
Flood Watch issued April 11 at 1:43PM HST until April 13 at 6:00PM HST by NWS Honolulu HI

...FLOOD WATCH IN EFFECT FOR ALL HAWAIIAN ISLANDS THROUGH 6 PM HST MONDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The state of Hawaii. * WHEN...Through Monday afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or lo...

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Effective: 2026-04-11T13:43:00-10:00  ·  Expires: 2026-04-12T18:15:00-10:00
Met · Severe · Future
Flood Watch issued April 12 at 3:14AM HST until April 13 at 6:00PM HST by NWS Honolulu HI

...FLOOD WATCH IN EFFECT FOR ALL HAWAIIAN ISLANDS THROUGH 6 PM HST MONDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The island of Kauai in Kauai County, The island of Niihau in Kauai County, Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through Monday afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and o...

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Effective: 2026-04-12T03:14:00-10:00  ·  Expires: 2026-04-12T18:15:00-10:00

Today's Hourly Forecast

24-hour breakdown for Waialua, Hawaii

12 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 89% 💨 5.8 km/h 🌧️ 100%
1 AM
Light rain shower
23°
Light rain shower
💧 89% 💨 4 km/h 🌧️ 100%
2 AM
Patchy light rain
23°
Patchy light rain
💧 90% 💨 3.6 km/h 🌧️ 100%
3 AM
Moderate or heavy rain shower
23°
Moderate or heavy rain shower
💧 92% 💨 7.9 km/h 🌧️ 100%
4 AM
Moderate or heavy rain shower
22°
Moderate or heavy rain shower
💧 94% 💨 10.1 km/h 🌧️ 100%
5 AM
Light rain shower
22°
Light rain shower
💧 87% 💨 9.4 km/h 🌧️ 100%
6 AM
Light rain shower
22°
Light rain shower
💧 88% 💨 12.2 km/h 🌧️ 100%
7 AM
Moderate rain
21°
Moderate rain
💧 92% 💨 14.4 km/h 🌧️ 100%
8 AM
Moderate rain
21°
Moderate rain
💧 93% 💨 10.4 km/h 🌧️ 100%
9 AM
Light rain
21°
Light rain
💧 92% 💨 6.8 km/h 🌧️ 100%
10 AM
Moderate rain
20°
Moderate rain
💧 94% 💨 2.5 km/h 🌧️ 100%
11 AM
Moderate rain
20°
Moderate rain
💧 93% 💨 1.4 km/h 🌧️ 100%
12 PM
Light rain
20°
Light rain
💧 94% 💨 3.6 km/h 🌧️ 100%
1 PM
Light rain shower
21°
Light rain shower
💧 93% 💨 3.6 km/h 🌧️ 100%
2 PM
Light rain
21°
Light rain
💧 93% 💨 5 km/h 🌧️ 100%
3 PM
Moderate rain
21°
Moderate rain
💧 95% 💨 6.5 km/h 🌧️ 100%
4 PM
Light rain
21°
Light rain
💧 95% 💨 2.2 km/h 🌧️ 100%
5 PM
Light rain
21°
Light rain
💧 94% 💨 5.8 km/h 🌧️ 100%
6 PM
Light rain
21°
Light rain
💧 94% 💨 2.9 km/h 🌧️ 100%
7 PM
Light rain
21°
Light rain
💧 94% 💨 4 km/h 🌧️ 100%
8 PM
Light rain
21°
Light rain
💧 94% 💨 3.2 km/h 🌧️ 100%
9 PM
Light rain
21°
Light rain
💧 94% 💨 9.4 km/h 🌧️ 100%
10 PM
Light rain
21°
Light rain
💧 93% 💨 12.2 km/h 🌧️ 100%
11 PM
Light rain shower
21°
Light rain shower
💧 92% 💨 15.5 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Waialua, Hawaii

Today
Heavy rain
Heavy rain
22° / 20°
🌧️ 99% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 52.38 mm
☀️ UV Index: 0.3
🌅 Sunrise: 06:15 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
23° / 21°
🌧️ 92% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 17.63 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
24° / 21°
🌧️ 89% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 14.4 km/h
🌧️ Total precip: 7.02 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:52 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Waialua

Plan your trip to Waialua, 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.
← Back to Waialua 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Waialua?
Current conditions in Waialua: Light rain, temperature 20°C, humidity 94%.
What is the best time to visit Waialua?
The best time to visit Waialua is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Waialua?
Waialua is located at approximately 21.6° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Waialua?
The wettest period in Waialua is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Waialua?
For visits to Waialua during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Waialua in?
Waialua is located in United States, in the state of Hawaii.
What are the public holidays in Waialua in 2026?
View the 2026 public holidays for Waialua on our Holidays page.
What are the GPS coordinates used for the weather forecast in Waialua?
The weather forecast for Waialua uses coordinates 21.5757, -158.1248.