Live Weather & Forecast

Weather in Haiku

Q: What is the current weather in Haiku?

Current conditions in Haiku: Light rain, temperature 22°C, humidity 100%.

Q: What is the best time to visit Haiku?

The best time to visit Haiku is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.

Q: What are the GPS coordinates used for the weather forecast in Haiku?

The weather forecast for Haiku uses coordinates 20.9144, -156.323.

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

22^°C

Feels like 25°C

72°F / Feels 76°F

Light rain

Haiku, Hawaii

🌞 Daytime

Updated: 2026-04-12 12:30

💧

Humidity

100%

💨

Wind

11.2 km/h NW

🌬️

Wind Gust

21.9 km/h

🌡️

Pressure

1018 mb

👁️

Visibility

1.2 km

☀️

UV Index

7.2 (High)

🌧️

Precipitation

1.4 mm

☁️

Cloud Cover

75%

💦

Dew Point

20°C

🌐

Wind Degree

320°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)

135.9 μg/m³

NO₂

2.4 μg/m³

O₃

41 μg/m³

SO₂

1.2 μg/m³

PM 2.5

6.2 μg/m³

PM 10

8.6 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 Haiku, Hawaii

12 AM

21°

Patchy rain nearby

💧 92% 💨 6.8 km/h 🌧️ 100%

1 AM

21°

Patchy rain nearby

💧 91% 💨 8.6 km/h 🌧️ 100%

2 AM

21°

Light rain shower

💧 92% 💨 7.6 km/h 🌧️ 100%

3 AM

21°

Partly Cloudy

💧 91% 💨 10.1 km/h

4 AM

21°

Patchy rain nearby

💧 90% 💨 7.2 km/h 🌧️ 69%

5 AM

21°

Light rain shower

💧 92% 💨 1.1 km/h 🌧️ 100%

6 AM

21°

Light rain shower

💧 91% 💨 2.9 km/h 🌧️ 100%

7 AM

21°

Light rain shower

💧 91% 💨 2.5 km/h 🌧️ 100%

8 AM

21°

Light rain shower

💧 89% 💨 2.2 km/h 🌧️ 100%

9 AM

22°

Light rain shower

💧 89% 💨 3.2 km/h 🌧️ 100%

10 AM

22°

Light rain shower

💧 87% 💨 5.8 km/h 🌧️ 100%

11 AM

22°

Light rain shower

💧 89% 💨 9.7 km/h 🌧️ 100%

12 PM

22°

Light rain

💧 100% 💨 11.2 km/h 🌧️ 100%

1 PM

21°

Light rain shower

💧 93% 💨 10.8 km/h 🌧️ 100%

2 PM

21°

Light rain shower

💧 94% 💨 11.2 km/h 🌧️ 100%

3 PM

21°

Light rain

💧 95% 💨 11.2 km/h 🌧️ 100%

4 PM

21°

Light rain shower

💧 95% 💨 11.2 km/h 🌧️ 100%

5 PM

20°

Light rain shower

💧 95% 💨 10.8 km/h 🌧️ 100%

6 PM

20°

Light rain shower

💧 95% 💨 10.8 km/h 🌧️ 100%

7 PM

20°

Light rain shower

💧 95% 💨 12.2 km/h 🌧️ 100%

8 PM

20°

Light rain shower

💧 95% 💨 13 km/h 🌧️ 100%

9 PM

20°

Light drizzle

💧 95% 💨 14 km/h 🌧️ 100%

10 PM

20°

Light rain shower

💧 94% 💨 12.6 km/h 🌧️ 100%

11 PM

20°

Light rain shower

💧 95% 💨 10.8 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Haiku, Hawaii

Today

Heavy rain

22° / 20°

🌧️ 98% chance of rain

💧 Avg. humidity: 92%

💨 Max wind: 14 km/h

🌧️ Total precip: 20.37 mm

☀️ UV Index: 1.5

🌅 Sunrise: 06:09 AM

🌇 Sunset: 06:43 PM

🌙 Waning Crescent

🌑 Moon: 33% lit

Mon, Apr 13

Patchy rain nearby

23° / 20°

🌧️ 87% chance of rain

💧 Avg. humidity: 87%

💨 Max wind: 16.9 km/h

🌧️ Total precip: 1.64 mm

☀️ UV Index: 2.4

🌅 Sunrise: 06:08 AM

🌇 Sunset: 06:44 PM

🌙 Waning Crescent

🌑 Moon: 23% lit

Tue, Apr 14

Patchy rain nearby

23° / 21°

🌧️ 88% chance of rain

💧 Avg. humidity: 86%

💨 Max wind: 12.2 km/h

🌧️ Total precip: 2.2 mm

☀️ UV Index: 2.3

🌅 Sunrise: 06:07 AM

🌇 Sunset: 06:44 PM

🌙 Waning Crescent

🌑 Moon: 15% lit

Best Time to Visit Haiku

Plan your trip to Haiku, 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 Haiku 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Haiku?

Current conditions in Haiku: Light rain, temperature 22°C, humidity 100%.

What is the best time to visit Haiku?

The best time to visit Haiku is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.

What is the climate like in Haiku?

Haiku is located at approximately 20.9° latitude. It has a tropical or subtropical climate with wet and dry seasons.

Does it rain a lot in Haiku?

The wettest period in Haiku is typically during June – September. Wet/monsoon season; heavier rainfall possible.

What should I pack for a trip to Haiku?

For visits to Haiku during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.

What country is Haiku in?

Haiku is located in United States, in the state of Hawaii.

What are the public holidays in Haiku in 2026?

View the 2026 public holidays for Haiku on our Holidays page.

What are the GPS coordinates used for the weather forecast in Haiku?

The weather forecast for Haiku uses coordinates 20.9144, -156.323.