Kapaau, HI Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Kapaau, HI in one place.
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 79. East northeast wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Kapaau, HI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 21, 2026 10:36 PM HST.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Kapaau, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 21, 2026 10:36 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kapaau
Wednesday looks like the warmest upcoming period in Kapaau at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Friday at about 32 to 37 mph ENE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 21, 2026 10:36 PM HST
- Coverage
- 6 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHKM
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 71. East wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 78. East wind 25 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 71. East wind 29 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 70%.
A chance of rain showers. Mostly cloudy, with a high near 78. East northeast wind 32 to 37 mph, with gusts as high as 54 mph. Chance of precipitation is 60%.
Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. East northeast wind 31 to 37 mph, with gusts as high as 54 mph. Chance of precipitation is 50%.
Scattered rain showers before noon, then scattered showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 78. East wind around 32 mph, with gusts as high as 47 mph. Chance of precipitation is 50%.
Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. East wind 29 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 40%.
Scattered rain showers. Mostly sunny, with a high near 78. East wind 24 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Scattered rain showers. Mostly cloudy, with a low around 70. East wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Isolated rain showers. Mostly sunny, with a high near 79. East wind around 24 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Chance Showers And Thunderstorms
|
79°F |
24 mph
ENE
|
|
Wednesday Night
Sep 23
|
Chance Showers And Thunderstorms
|
71°F |
25 mph
E
|
|
Thursday
Sep 24
|
Chance Rain Showers
|
78°F |
25 to 29 mph
E
|
|
Thursday Night
Sep 24
|
Chance Showers And Thunderstorms
|
71°F |
29 to 32 mph
E
|
|
Friday
Sep 25
|
Chance Rain Showers
|
78°F |
32 to 37 mph
ENE
|
|
Friday Night
Sep 25
|
Scattered Showers And Thunderstorms
|
70°F |
31 to 37 mph
ENE
|
|
Saturday
Sep 26
|
Scattered Rain Showers
|
78°F |
32 mph
E
|
|
Saturday Night
Sep 26
|
Scattered Showers And Thunderstorms
|
70°F |
29 to 32 mph
E
|
|
Sunday
Sep 27
|
Scattered Rain Showers
|
78°F |
24 to 29 mph
E
|
|
Sunday Night
Sep 27
|
Scattered Rain Showers
|
70°F |
24 mph
E
|
|
Monday
Sep 28
|
Isolated Rain Showers
|
79°F |
24 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kapaau.