Kapaau, HI Weather Forecast
Local 7-day forecast
Isolated Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Kapaau, HI in one place.
Isolated rain showers. Partly cloudy, with a low around 66. East wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
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: May 30, 2026 7:38 AM HST.
The active forecast window currently covers May 30 to Jun 5, 2026 for Kapaau, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 7:38 AM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kapaau
Saturday looks like the warmest upcoming period in Kapaau at 80 degrees F.
Overnight is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Thursday at about 18 to 23 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 7:38 AM HST
- Coverage
- 7 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
Mostly sunny. High near 80, with temperatures falling to around 75 in the afternoon. East wind 16 to 21 mph, with gusts as high as 29 mph.
Isolated rain showers. Partly cloudy, with a low around 67. East wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers. Mostly sunny, with a high near 79. East wind 12 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Scattered rain showers. Mostly cloudy, with a low around 67. East northeast wind around 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 80. East northeast wind around 13 mph.
Scattered rain showers. Mostly cloudy, with a low around 67. East wind around 10 mph. Chance of precipitation is 40%.
Isolated rain showers. Mostly sunny, with a high near 80. East wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Scattered rain showers. Mostly cloudy, with a low around 68. East wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Sunny, with a high near 80. East wind 17 to 21 mph, with gusts as high as 29 mph.
Scattered rain showers. Mostly cloudy, with a low around 67. East wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Isolated rain showers before noon. Mostly sunny, with a high near 79. East wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Scattered rain showers. Mostly cloudy, with a low around 66. East wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Isolated rain showers before noon. Mostly sunny, with a high near 78. East northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 30
|
Isolated Rain Showers
|
66°F |
16 mph
E
|
|
Saturday
May 30
|
Mostly Sunny
|
80°F |
16 to 21 mph
E
|
|
Saturday Night
May 30
|
Isolated Rain Showers
|
67°F |
10 to 17 mph
E
|
|
Sunday
May 31
|
Scattered Rain Showers
|
79°F |
12 to 18 mph
E
|
|
Sunday Night
May 31
|
Scattered Rain Showers
|
67°F |
13 mph
ENE
|
|
Monday
Jun 1
|
Mostly Sunny
|
80°F |
13 mph
ENE
|
|
Monday Night
Jun 1
|
Scattered Rain Showers
|
67°F |
10 mph
E
|
|
Tuesday
Jun 2
|
Isolated Rain Showers
|
80°F |
10 to 17 mph
E
|
|
Tuesday Night
Jun 2
|
Scattered Rain Showers
|
68°F |
20 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
17 to 21 mph
E
|
|
Wednesday Night
Jun 3
|
Scattered Rain Showers
|
67°F |
21 mph
E
|
|
Thursday
Jun 4
|
Isolated Rain Showers then Mostly Sunny
|
79°F |
18 to 23 mph
E
|
|
Thursday Night
Jun 4
|
Scattered Rain Showers
|
66°F |
18 to 23 mph
E
|
|
Friday
Jun 5
|
Isolated Rain Showers then Mostly Sunny
|
78°F |
21 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kapaau.