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. Mostly cloudy, with a high near 83. East northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Oct 18, 2026 11:16 PM HST.
The active forecast window currently covers Oct 19 to Oct 25, 2026 for Kapa'a, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 19 to Oct 25, 2026
- Latest sync
- Oct 18, 2026 11:16 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Kapa‘a
Friday looks like the warmest upcoming period in Kapa‘a at 85 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Monday at about 13 to 17 mph ENE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 18, 2026 11:16 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. Mostly cloudy, with a low around 75. East northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers before noon. Mostly sunny, with a high near 84. East northeast wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers. Mostly cloudy, with a low around 74. East northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers. Mostly sunny, with a high near 84. East northeast wind around 13 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Scattered rain showers. Partly cloudy, with a low around 73. East northeast wind 7 to 12 mph. Chance of precipitation is 30%.
Scattered rain showers. Mostly sunny, with a high near 84. East northeast wind around 8 mph. Chance of precipitation is 30%.
Scattered rain showers before midnight. Partly cloudy, with a low around 73. Northeast wind around 8 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 85. Northeast wind around 9 mph.
Isolated rain showers after midnight. Partly cloudy, with a low around 74. Northeast wind around 9 mph. Chance of precipitation is 20%.
Scattered rain showers. Partly sunny, with a high near 85. Northeast wind around 10 mph. Chance of precipitation is 30%.
Isolated rain showers after midnight. Mostly cloudy, with a low around 74. Northeast wind around 10 mph. Chance of precipitation is 20%.
Scattered rain showers. Mostly cloudy, with a high near 84. Northeast wind 9 to 13 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Oct 19
|
Scattered Rain Showers
|
83°F |
13 to 17 mph
ENE
|
|
Monday Night
Oct 19
|
Scattered Rain Showers
|
75°F |
17 mph
ENE
|
|
Tuesday
Oct 20
|
Scattered Rain Showers then Mostly Sunny
|
84°F |
16 mph
ENE
|
|
Tuesday Night
Oct 20
|
Scattered Rain Showers
|
74°F |
15 mph
ENE
|
|
Wednesday
Oct 21
|
Scattered Rain Showers
|
84°F |
13 mph
ENE
|
|
Wednesday Night
Oct 21
|
Scattered Rain Showers
|
73°F |
7 to 12 mph
ENE
|
|
Thursday
Oct 22
|
Scattered Rain Showers
|
84°F |
8 mph
ENE
|
|
Thursday Night
Oct 22
|
Scattered Rain Showers then Partly Cloudy
|
73°F |
8 mph
NE
|
|
Friday
Oct 23
|
Partly Sunny
|
85°F |
9 mph
NE
|
|
Friday Night
Oct 23
|
Partly Cloudy then Isolated Rain Showers
|
74°F |
9 mph
NE
|
|
Saturday
Oct 24
|
Scattered Rain Showers
|
85°F |
10 mph
NE
|
|
Saturday Night
Oct 24
|
Mostly Cloudy then Isolated Rain Showers
|
74°F |
10 mph
NE
|
|
Sunday
Oct 25
|
Scattered Rain Showers
|
84°F |
9 to 13 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Kapa‘a.
