Live Weather & Forecast

Weather in Kapolei

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

Flag of United States
Partly cloudy
24°C
Feels like 27°C
76°F / Feels 80°F
Partly cloudy
Kapolei, Hawaii
🌞 Daytime
Updated: 2026-04-12 10:30
💧
Humidity
89%
💨
Wind
14.4 km/h N
🌬️
Wind Gust
20.5 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
0.3 (Low)
🌧️
Precipitation
2.09 mm
☁️
Cloud Cover
75%
💦
Dew Point
19.3°C
🌐
Wind Degree
350°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
216.9 μg/m³
NO₂
5 μg/m³
O₃
34 μg/m³
SO₂
1.7 μg/m³
PM 2.5
2.3 μg/m³
PM 10
2.9 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 Kapolei, Hawaii

12 AM
Partly Cloudy
24°
Partly Cloudy
💧 85% 💨 7.2 km/h
1 AM
Patchy light drizzle
24°
Patchy light drizzle
💧 86% 💨 7.9 km/h 🌧️ 100%
2 AM
Moderate or heavy rain shower
24°
Moderate or heavy rain shower
💧 86% 💨 7.6 km/h 🌧️ 100%
3 AM
Light rain shower
23°
Light rain shower
💧 86% 💨 7.9 km/h 🌧️ 100%
4 AM
Light rain shower
23°
Light rain shower
💧 90% 💨 9.4 km/h 🌧️ 100%
5 AM
Moderate or heavy rain shower
23°
Moderate or heavy rain shower
💧 93% 💨 10.1 km/h 🌧️ 100%
6 AM
Moderate or heavy rain shower
22°
Moderate or heavy rain shower
💧 95% 💨 10.4 km/h 🌧️ 100%
7 AM
Moderate or heavy rain shower
22°
Moderate or heavy rain shower
💧 95% 💨 15.1 km/h 🌧️ 100%
8 AM
Moderate or heavy rain shower
22°
Moderate or heavy rain shower
💧 92% 💨 14.8 km/h 🌧️ 100%
9 AM
Moderate rain
21°
Moderate rain
💧 92% 💨 15.1 km/h 🌧️ 100%
10 AM
Partly cloudy
24°
Partly cloudy
💧 89% 💨 14.4 km/h 🌧️ 100%
11 AM
Moderate rain
21°
Moderate rain
💧 91% 💨 13 km/h 🌧️ 100%
12 PM
Light rain shower
21°
Light rain shower
💧 91% 💨 7.2 km/h 🌧️ 100%
1 PM
Light rain shower
21°
Light rain shower
💧 93% 💨 9.7 km/h 🌧️ 100%
2 PM
Light rain shower
21°
Light rain shower
💧 90% 💨 9 km/h 🌧️ 100%
3 PM
Patchy light drizzle
21°
Patchy light drizzle
💧 89% 💨 7.6 km/h 🌧️ 100%
4 PM
Light rain shower
21°
Light rain shower
💧 88% 💨 8.3 km/h 🌧️ 100%
5 PM
Light rain shower
22°
Light rain shower
💧 87% 💨 6.1 km/h 🌧️ 100%
6 PM
Light drizzle
21°
Light drizzle
💧 88% 💨 4 km/h 🌧️ 100%
7 PM
Light rain shower
21°
Light rain shower
💧 88% 💨 2.9 km/h 🌧️ 100%
8 PM
Light rain
21°
Light rain
💧 92% 💨 1.1 km/h 🌧️ 100%
9 PM
Light rain
21°
Light rain
💧 92% 💨 2.9 km/h 🌧️ 100%
10 PM
Light rain shower
21°
Light rain shower
💧 93% 💨 4.3 km/h 🌧️ 100%
11 PM
Light rain shower
21°
Light rain shower
💧 93% 💨 2.5 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Kapolei, Hawaii

Today
Heavy rain
Heavy rain
22° / 21°
🌧️ 95% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 54.76 mm
☀️ UV Index: 0.2
🌅 Sunrise: 06:15 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
25° / 21°
🌧️ 88% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 17.01 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
25° / 22°
🌧️ 87% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 14 km/h
🌧️ Total precip: 8.89 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:14 AM
🌇 Sunset: 06:51 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Kapolei

Plan your trip to Kapolei, 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 Kapolei 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Kapolei?
Current conditions in Kapolei: Partly cloudy, temperature 24°C, humidity 89%.
What is the best time to visit Kapolei?
The best time to visit Kapolei is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Kapolei?
Kapolei is located at approximately 21.3° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Kapolei?
The wettest period in Kapolei is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Kapolei?
For visits to Kapolei during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Kapolei in?
Kapolei is located in United States, in the state of Hawaii.
What are the public holidays in Kapolei in 2026?
View the 2026 public holidays for Kapolei on our Holidays page.
What are the GPS coordinates used for the weather forecast in Kapolei?
The weather forecast for Kapolei uses coordinates 21.334, -158.0778.