Wainaku, HI Weather Forecast
Local 7-day forecast
Isolated Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Wainaku, HI in one place.
Isolated rain showers before noon. Mostly cloudy, with a high near 79. East southeast wind 3 to 7 mph. Chance of precipitation is 20%.
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: Apr 15, 2026 5:57 PM HST.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Wainaku, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:57 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Wainaku
Sunday looks like the warmest upcoming period in Wainaku at 79 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 3 to 8 mph SSE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:57 PM HST
- Coverage
- 4 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
Isolated rain showers. Mostly cloudy, with a low around 68. South southeast wind around 3 mph. Chance of precipitation is 20%.
Isolated rain showers. Mostly cloudy, with a high near 78. South southeast wind 3 to 8 mph. Chance of precipitation is 20%.
Isolated rain showers before midnight. Mostly cloudy, with a low around 68. South wind 1 to 6 mph. Chance of precipitation is 20%.
Isolated rain showers. Partly sunny, with a high near 78. South southeast wind 1 to 7 mph. Chance of precipitation is 20%.
Scattered rain showers. Mostly cloudy, with a low around 67. South wind around 2 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Isolated Rain Showers then Mostly Cloudy
|
79°F |
3 to 7 mph
ESE
|
|
Sunday Night
Apr 19
|
Isolated Rain Showers
|
68°F |
3 mph
SSE
|
|
Monday
Apr 20
|
Isolated Rain Showers
|
78°F |
3 to 8 mph
SSE
|
|
Monday Night
Apr 20
|
Isolated Rain Showers then Mostly Cloudy
|
68°F |
1 to 6 mph
S
|
|
Tuesday
Apr 21
|
Isolated Rain Showers
|
78°F |
1 to 7 mph
SSE
|
|
Tuesday Night
Apr 21
|
Scattered Rain Showers
|
67°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wainaku.
