Kapa'a, HI Weather Forecast
Local 7-day forecast
Scattered Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Kapa'a, HI in one place.
Scattered rain showers. Partly sunny, with a high near 85. Northeast wind around 12 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Kapa'a, 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: Jul 18, 2026 9:17 PM HST.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Kapa'a, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 18, 2026 9:17 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kapa‘a
Sunday looks like the warmest upcoming period in Kapa‘a at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Friday at about 14 mph ENE.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 9:17 PM HST
- Coverage
- 7 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHKI
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Scattered rain showers. Partly cloudy, with a low around 75. Northeast wind around 10 mph. Chance of precipitation is 30%.
Scattered rain showers. Partly sunny, with a high near 85. East northeast wind 8 to 12 mph. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 75. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 85. East northeast wind 8 to 12 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers. Mostly cloudy, with a low around 75. East northeast wind 7 to 10 mph. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 85. East northeast wind 8 to 12 mph. Chance of precipitation is 60%.
Scattered rain showers. Mostly cloudy, with a low around 75. East northeast wind 8 to 12 mph. Chance of precipitation is 40%.
Scattered rain showers. Mostly sunny, with a high near 85. East northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Scattered rain showers. Mostly cloudy, with a low around 75. East northeast wind around 13 mph. Chance of precipitation is 50%.
Scattered rain showers. Partly sunny, with a high near 85. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Scattered rain showers. Mostly cloudy, with a low around 75. Northeast wind 0 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Scattered rain showers before noon. Partly sunny, with a high near 85. North northeast wind 0 to 13 mph. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Scattered Rain Showers
|
85°F |
12 mph
NE
|
|
Sunday Night
Jul 19
|
Scattered Rain Showers
|
75°F |
10 mph
NE
|
|
Monday
Jul 20
|
Scattered Rain Showers
|
85°F |
8 to 12 mph
ENE
|
|
Monday Night
Jul 20
|
Chance Rain Showers
|
75°F |
7 to 10 mph
NE
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
85°F |
8 to 12 mph
ENE
|
|
Tuesday Night
Jul 21
|
Scattered Rain Showers
|
75°F |
7 to 10 mph
ENE
|
|
Wednesday
Jul 22
|
Chance Rain Showers
|
85°F |
8 to 12 mph
ENE
|
|
Wednesday Night
Jul 22
|
Scattered Rain Showers
|
75°F |
8 to 12 mph
ENE
|
|
Thursday
Jul 23
|
Scattered Rain Showers
|
85°F |
9 to 13 mph
ENE
|
|
Thursday Night
Jul 23
|
Scattered Rain Showers
|
75°F |
13 mph
ENE
|
|
Friday
Jul 24
|
Scattered Rain Showers
|
85°F |
14 mph
ENE
|
|
Friday Night
Jul 24
|
Scattered Rain Showers
|
75°F |
0 to 14 mph
NE
|
|
Saturday
Jul 25
|
Scattered Rain Showers then Partly Sunny
|
85°F |
0 to 13 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kapa‘a.