Wainaku, HI Weather Forecast
Local 7-day forecast
Scattered Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Wainaku, HI in one place.
Scattered rain showers before noon. Partly sunny, with a high near 80. North northwest wind 2 to 6 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Wainaku, 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 19, 2026 1:56 AM HST.
The active forecast window currently covers Jul 20 to Jul 25, 2026 for Wainaku, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 20 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 1:56 AM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Wainaku
Monday looks like the warmest upcoming period in Wainaku at 80 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 0 to 9 mph NNE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 1:56 AM HST
- Coverage
- 6 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
A chance of rain showers. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 80. East wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Occasional rain showers. Cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 90%.
A chance of rain showers before noon. Partly sunny, with a high near 79. East southeast wind 3 to 7 mph. Chance of precipitation is 60%.
Scattered rain showers. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 50%.
Scattered rain showers before noon. Partly sunny, with a high near 79. East northeast wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 68. North wind around 7 mph. Chance of precipitation is 60%.
Scattered rain showers before noon. Partly sunny, with a high near 79. North northeast wind 5 to 8 mph. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 68. North northeast wind 0 to 8 mph. Chance of precipitation is 70%.
Scattered rain showers before noon. Partly sunny, with a high near 79. North northeast wind 0 to 9 mph. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jul 20
|
Scattered Rain Showers then Partly Sunny
|
80°F |
2 to 6 mph
NNW
|
|
Monday Night
Jul 20
|
Chance Rain Showers
|
69°F |
5 mph
SW
|
|
Tuesday
Jul 21
|
Chance Rain Showers
|
80°F |
2 to 6 mph
E
|
|
Tuesday Night
Jul 21
|
Occasional Rain Showers
|
69°F |
5 mph
SE
|
|
Wednesday
Jul 22
|
Chance Rain Showers then Partly Sunny
|
79°F |
3 to 7 mph
ESE
|
|
Wednesday Night
Jul 22
|
Scattered Rain Showers
|
68°F |
6 mph
NE
|
|
Thursday
Jul 23
|
Scattered Rain Showers then Partly Sunny
|
79°F |
3 to 8 mph
ENE
|
|
Thursday Night
Jul 23
|
Chance Rain Showers
|
68°F |
7 mph
N
|
|
Friday
Jul 24
|
Scattered Rain Showers then Partly Sunny
|
79°F |
5 to 8 mph
NNE
|
|
Friday Night
Jul 24
|
Chance Rain Showers
|
68°F |
0 to 8 mph
NNE
|
|
Saturday
Jul 25
|
Scattered Rain Showers then Partly Sunny
|
79°F |
0 to 9 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wainaku.