Live Weather & Forecast

Weather in Aliamanu

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

Flag of United States
Light rain
24°C
Feels like 27°C
76°F / Feels 80°F
Light rain
Aliamanu, Hawaii
🌞 Daytime
Updated: 2026-04-12 14:15
💧
Humidity
89%
💨
Wind
4 km/h NW
🌬️
Wind Gust
6 km/h
🌡️
Pressure
1015 mb
👁️
Visibility
16 km
☀️
UV Index
3 (Moderate)
🌧️
Precipitation
1.06 mm
☁️
Cloud Cover
100%
💦
Dew Point
19.7°C
🌐
Wind Degree
324°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
161.9 μg/m³
NO₂
4.5 μg/m³
O₃
37 μg/m³
SO₂
1.5 μg/m³
PM 2.5
4.4 μg/m³
PM 10
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 Aliamanu, Hawaii

12 AM
Partly Cloudy
24°
Partly Cloudy
💧 87% 💨 5 km/h
1 AM
Light rain shower
24°
Light rain shower
💧 88% 💨 6.1 km/h 🌧️ 100%
2 AM
Light rain shower
23°
Light rain shower
💧 88% 💨 6.1 km/h 🌧️ 100%
3 AM
Light rain shower
23°
Light rain shower
💧 87% 💨 7.6 km/h 🌧️ 100%
4 AM
Light rain shower
23°
Light rain shower
💧 89% 💨 7.9 km/h 🌧️ 100%
5 AM
Light rain shower
22°
Light rain shower
💧 88% 💨 9.7 km/h 🌧️ 100%
6 AM
Moderate rain
22°
Moderate rain
💧 91% 💨 11.5 km/h 🌧️ 100%
7 AM
Moderate rain
21°
Moderate rain
💧 94% 💨 16.2 km/h 🌧️ 100%
8 AM
Heavy rain
21°
Heavy rain
💧 94% 💨 13 km/h 🌧️ 100%
9 AM
Moderate rain
21°
Moderate rain
💧 93% 💨 8.3 km/h 🌧️ 100%
10 AM
Moderate rain
21°
Moderate rain
💧 94% 💨 8.3 km/h 🌧️ 100%
11 AM
Moderate or heavy rain shower
21°
Moderate or heavy rain shower
💧 93% 💨 6.1 km/h 🌧️ 100%
12 PM
Light rain shower
21°
Light rain shower
💧 93% 💨 6.8 km/h 🌧️ 100%
1 PM
Light rain shower
21°
Light rain shower
💧 90% 💨 6.8 km/h 🌧️ 100%
2 PM
Light rain
24°
Light rain
💧 89% 💨 4 km/h 🌧️ 100%
3 PM
Light rain
21°
Light rain
💧 93% 💨 5 km/h 🌧️ 100%
4 PM
Light rain shower
21°
Light rain shower
💧 94% 💨 4.3 km/h 🌧️ 100%
5 PM
Light rain shower
21°
Light rain shower
💧 94% 💨 5.8 km/h 🌧️ 100%
6 PM
Moderate or heavy rain shower
21°
Moderate or heavy rain shower
💧 95% 💨 6.8 km/h 🌧️ 100%
7 PM
Light rain shower
21°
Light rain shower
💧 94% 💨 6.5 km/h 🌧️ 100%
8 PM
Light rain shower
21°
Light rain shower
💧 94% 💨 5.4 km/h 🌧️ 100%
9 PM
Light rain
21°
Light rain
💧 93% 💨 9.4 km/h 🌧️ 100%
10 PM
Light rain
21°
Light rain
💧 93% 💨 11.9 km/h 🌧️ 100%
11 PM
Light rain shower
21°
Light rain shower
💧 94% 💨 12.2 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Aliamanu, Hawaii

Today
Heavy rain
Heavy rain
22° / 21°
🌧️ 99% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 51.57 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:15 AM
🌇 Sunset: 06:50 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
23° / 21°
🌧️ 92% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 13 km/h
🌧️ Total precip: 12.08 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
25° / 22°
🌧️ 86% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 4.07 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:13 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Aliamanu

Plan your trip to Aliamanu, 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 Aliamanu 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Aliamanu?
Current conditions in Aliamanu: Light rain, temperature 24°C, humidity 89%.
What is the best time to visit Aliamanu?
The best time to visit Aliamanu is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Aliamanu?
Aliamanu 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 Aliamanu?
The wettest period in Aliamanu is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Aliamanu?
For visits to Aliamanu during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Aliamanu in?
Aliamanu is located in United States, in the state of Hawaii.
What are the public holidays in Aliamanu in 2026?
View the 2026 public holidays for Aliamanu on our Holidays page.
What are the GPS coordinates used for the weather forecast in Aliamanu?
The weather forecast for Aliamanu uses coordinates 21.3547, -157.9275.