Koloa, HI Weather Forecast

Local 7-day forecast

89°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Koloa, HI in one place.

Wednesday, September 23, 2026
Wind: 15 mph ENE
Wednesday

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 7-day forecast

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
Next High
89°F
Wednesday
Next Low
76°F
Wednesday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
22 mph
Saturday

Daily Outlook

Today
Sep 23
Mostly Sunny
89 °F
/ 76°F
Wind 15 mph
Thu
Sep 24
Isolated Rain Showers
89 °F
/ 76°F
Wind 16 mph
Fri
Sep 25
Scattered Rain Showers
89 °F
/ 76°F
Wind 18 mph
Sat
Sep 26
Scattered Rain Showers
88 °F
/ 76°F
Wind 22 mph
Sun
Sep 27
Scattered Rain Showers
88 °F
/ 76°F
Wind 21 mph
Mon
Sep 28
Scattered Rain Showers
88 °F
/ 76°F
Wind 16 mph

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 source

Extended Forecast

Wednesday Night
Sep 23
76°F
Partly Cloudy
15 mph NE

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.

Thursday
Sep 24
89°F
Isolated Rain Showers
16 mph NE

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.

Thursday Night
Sep 24
76°F
Scattered Rain Showers
17 mph NE

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.

Friday
Sep 25
89°F
Scattered Rain Showers
18 mph NE

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%.

Friday Night
Sep 25
76°F
Scattered Rain Showers
21 mph NE

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%.

Saturday
Sep 26
88°F
Scattered Rain Showers
22 mph NE

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%.

Saturday Night
Sep 26
76°F
Scattered Rain Showers
21 mph ENE

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%.

Sunday
Sep 27
88°F
Scattered Rain Showers
21 mph ENE

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%.

Sunday Night
Sep 27
76°F
Scattered Rain Showers
18 mph ENE

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%.

Monday
Sep 28
88°F
Scattered Rain Showers
16 mph ENE

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%.

Monday Night
Sep 28
76°F
Scattered Rain Showers
15 mph ENE

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
Koloa  Kauai
Koloa Kauai image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.