Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Fall is right around the corner. Read AccuWeather's U.S. fall forecast Chevron right
Days of storms, flood risk expected from Plains to mid-Atlantic. Click for details. Chevron right

Kapa'a, HI

80°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Kapa'a

Hawaii

80°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Kapa'a, HI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 10-Day Radar Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

9 AM

82°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™86°

Heat Index86°

WindE 8 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts15 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling24900 ft

10 AM

83°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 54%
Chevron down
Mostly cloudy w/ showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™84°

Heat Index89°

WindE 9 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts17 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

11 AM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 59%
Chevron down
Mostly cloudy w/ showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™84°

Heat Index88°

WindE 10 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts20 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

12 PM

84°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™87°

Heat Index89°

WindE 12 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts21 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

83°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 63%
Chevron down
Showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™85°

Heat Index90°

WindE 12 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts21 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.10 in

Visibility4 mi

Cloud Ceiling2000 ft

2 PM

83°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 56%
Chevron down
Showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™83°

Heat Index88°

WindE 12 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts22 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Rain0.02 in

Visibility5 mi

Cloud Ceiling4000 ft

3 PM

84°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™87°

Heat Index89°

WindE 12 mph

Air QualityExcellent

Max UV Index3.7 (Moderate)

Wind Gusts23 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™89°

Heat Index92°

WindENE 12 mph

Air QualityExcellent

Max UV Index2.7 (Moderate)

Wind Gusts23 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™86°

Heat Index89°

WindENE 10 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts23 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility6 mi

Cloud Ceiling24900 ft

6 PM

83°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™86°

Heat Index88°

WindENE 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling19800 ft

7 PM

82°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 60%
Chevron down
Mostly cloudy w/ showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

RealFeel Shade™82°

Heat Index87°

WindENE 12 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

8 PM

81°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 60%
Chevron down
Mostly cloudy w/ showers
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

Heat Index86°

WindENE 12 mph

Air QualityFair

Wind Gusts16 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

9 PM

81°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 49%
Chevron down
Partly cloudy
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

Heat Index85°

WindENE 13 mph

Air QualityFair

Wind Gusts15 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

80°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Partly cloudy
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

Heat Index84°

WindE 13 mph

Air QualityFair

Wind Gusts14 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Partly cloudy
alerts

Coastal Flood Statement

12:00 PM Sunday - 6:00 PM Wednesday

Heat Index84°

WindE 12 mph

Air QualityFair

Wind Gusts14 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Kapa'a

AccuWeather's hourly forecast for Kapa'a provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 82° with a RealFeel® of 91°, intermittent clouds with a 40% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall forecast 2026: Summer warmth may linger as El Niño intensifies

6 hours ago

Severe Weather

Severe storms, flash flooding to threaten Plains, Midwest and East

19 minutes ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

7 hours ago

Hurricane

High risk of tropical development in Atlantic, just east of Caribbean

2 hours ago

Weather News

Buildings collapse following powerful earthquake in Colombia

40 minutes ago

 More Stories

Featured Stories

Recreation

Bald eagle Jackie dies after more than 3 weeks of intensive care

6 hours ago

Astronomy

Astronomy tripleheader begins with planetary parade on Wednesday

23 hours ago

Recreation

Shark pulls lifeguard underwater at Maine state park

3 hours ago

Climate

How extreme heat could affect your grocery bill

3 hours ago

Weather News

Sesame Street takes on extreme weather with new special, family resour...

4 days ago
World North America United States Hawaii Kapa'a

Weather Near Kapa'a:

  • East Honolulu, HI
  • Honolulu, HI
  • Pearl City, HI
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...