Koloa, HI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Koloa, HI in one place.
Mostly sunny. High near 89, with temperatures falling to around 84 in the afternoon. Heat index values as high as 95. East northeast wind around 15 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Koloa, 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 22, 2026 10:12 AM HST.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Koloa, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 10:12 AM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Koloa
Wednesday looks like the warmest upcoming period in Koloa at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Saturday at about 22 mph NE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 10:12 AM 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
Partly cloudy, with a low around 76. Northeast wind around 15 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.
Isolated rain showers. Partly sunny, with a high near 89. Northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers. Mostly cloudy, with a low around 76. Northeast wind around 17 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 sunny, with a high near 89. Northeast wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Scattered rain showers. Mostly cloudy, with a low around 76. Northeast wind around 21 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Scattered rain showers. Partly sunny, with a high near 88. Northeast wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Scattered rain showers. Mostly cloudy, with a low around 76. East northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Scattered rain showers. Mostly sunny, with a high near 88. East northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Scattered rain showers. Partly cloudy, with a low around 76. East northeast wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Scattered rain showers. Sunny, with a high near 88. East northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Scattered rain showers. Partly cloudy, with a low around 76. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Sunny
|
89°F |
15 mph
ENE
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
76°F |
15 mph
NE
|
|
Thursday
Sep 24
|
Isolated Rain Showers
|
89°F |
16 mph
NE
|
|
Thursday Night
Sep 24
|
Scattered Rain Showers
|
76°F |
17 mph
NE
|
|
Friday
Sep 25
|
Scattered Rain Showers
|
89°F |
18 mph
NE
|
|
Friday Night
Sep 25
|
Scattered Rain Showers
|
76°F |
21 mph
NE
|
|
Saturday
Sep 26
|
Scattered Rain Showers
|
88°F |
22 mph
NE
|
|
Saturday Night
Sep 26
|
Scattered Rain Showers
|
76°F |
21 mph
ENE
|
|
Sunday
Sep 27
|
Scattered Rain Showers
|
88°F |
21 mph
ENE
|
|
Sunday Night
Sep 27
|
Scattered Rain Showers
|
76°F |
18 mph
ENE
|
|
Monday
Sep 28
|
Scattered Rain Showers
|
88°F |
16 mph
ENE
|
|
Monday Night
Sep 28
|
Scattered Rain Showers
|
76°F |
15 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Koloa.