Wailuku, HI Weather Forecast
Local 7-day forecast
Isolated Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Wailuku, HI in one place.
Isolated rain showers before noon. Mostly sunny, with a high near 76. Northeast wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Wailuku, 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 18, 2026 4:20 PM HST.
The active forecast window currently covers Jul 19 to Jul 24, 2026 for Wailuku, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 4:20 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Wailuku
Sunday looks like the warmest upcoming period in Wailuku at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Friday at about 20 to 25 mph ENE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 4:20 PM HST
- Coverage
- 7 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHMO
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 69. Northeast wind 14 to 18 mph, with gusts as high as 25 mph.
Isolated rain showers before noon. Mostly sunny, with a high near 75. East northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Isolated rain showers before midnight. Partly cloudy, with a low around 69. East northeast wind 12 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Isolated rain showers. Partly sunny, with a high near 75. East northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Isolated rain showers before midnight. Partly cloudy, with a low around 69. East northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 76. East northeast wind 16 to 20 mph, with gusts as high as 28 mph.
Partly cloudy, with a low around 69. East northeast wind 16 to 20 mph, with gusts as high as 28 mph.
Mostly sunny, with a high near 75. East northeast wind 17 to 23 mph, with gusts as high as 32 mph.
Mostly clear, with a low around 69. East northeast wind 20 to 23 mph, with gusts as high as 32 mph.
Mostly sunny, with a high near 75. East northeast wind 20 to 25 mph, with gusts as high as 36 mph.
Partly cloudy, with a low around 69. North northeast wind 0 to 25 mph, with gusts as high as 36 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Isolated Rain Showers then Mostly Sunny
|
76°F |
16 to 20 mph
NE
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
69°F |
14 to 18 mph
NE
|
|
Monday
Jul 20
|
Isolated Rain Showers then Mostly Sunny
|
75°F |
16 mph
ENE
|
|
Monday Night
Jul 20
|
Isolated Rain Showers then Partly Cloudy
|
69°F |
12 to 16 mph
ENE
|
|
Tuesday
Jul 21
|
Isolated Rain Showers
|
75°F |
13 to 17 mph
ENE
|
|
Tuesday Night
Jul 21
|
Isolated Rain Showers then Partly Cloudy
|
69°F |
14 to 17 mph
ENE
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
76°F |
16 to 20 mph
ENE
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
69°F |
16 to 20 mph
ENE
|
|
Thursday
Jul 23
|
Mostly Sunny
|
75°F |
17 to 23 mph
ENE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
69°F |
20 to 23 mph
ENE
|
|
Friday
Jul 24
|
Mostly Sunny
|
75°F |
20 to 25 mph
ENE
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
69°F |
0 to 25 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wailuku.