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 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: Oct 18, 2026 6:19 PM HST.
The active forecast window currently covers Oct 19 to Oct 24, 2026 for Wailuku, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 19 to Oct 24, 2026
- Latest sync
- Oct 18, 2026 6:19 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Wailuku
Friday looks like the warmest upcoming period in Wailuku at 77 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Monday at about 17 to 21 mph NE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 18, 2026 6:19 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 71. East northeast wind around 17 mph, with gusts as high as 24 mph.
Sunny, with a high near 76. East northeast wind around 16 mph, with gusts as high as 23 mph.
Isolated rain showers. Partly cloudy, with a low around 71. East northeast wind 12 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Isolated rain showers after noon. Mostly sunny, with a high near 76. East northeast wind around 12 mph. Chance of precipitation is 20%.
Isolated rain showers before midnight. Partly cloudy, with a low around 70. East wind 6 to 12 mph. Chance of precipitation is 20%.
Isolated rain showers after noon. Mostly sunny, with a high near 76. East wind 6 to 9 mph. Chance of precipitation is 20%.
Isolated rain showers. Partly cloudy, with a low around 71. East northeast wind 5 to 9 mph. Chance of precipitation is 20%.
Isolated rain showers after noon. Mostly cloudy, with a high near 77. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Isolated rain showers. Mostly cloudy, with a low around 72. East northeast wind around 9 mph. Chance of precipitation is 20%.
Scattered rain showers. Mostly cloudy, with a high near 77. Northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Isolated rain showers. Mostly cloudy, with a low around 72. Northeast wind around 10 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Oct 19
|
Isolated Rain Showers then Mostly Sunny
|
76°F |
17 to 21 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
71°F |
17 mph
ENE
|
|
Tuesday
Oct 20
|
Sunny
|
76°F |
16 mph
ENE
|
|
Tuesday Night
Oct 20
|
Isolated Rain Showers
|
71°F |
12 to 16 mph
ENE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Isolated Rain Showers
|
76°F |
12 mph
ENE
|
|
Wednesday Night
Oct 21
|
Isolated Rain Showers then Partly Cloudy
|
70°F |
6 to 12 mph
E
|
|
Thursday
Oct 22
|
Mostly Sunny then Isolated Rain Showers
|
76°F |
6 to 9 mph
E
|
|
Thursday Night
Oct 22
|
Isolated Rain Showers
|
71°F |
5 to 9 mph
ENE
|
|
Friday
Oct 23
|
Mostly Cloudy then Isolated Rain Showers
|
77°F |
6 to 9 mph
ENE
|
|
Friday Night
Oct 23
|
Isolated Rain Showers
|
72°F |
9 mph
ENE
|
|
Saturday
Oct 24
|
Scattered Rain Showers
|
77°F |
6 to 9 mph
NE
|
|
Saturday Night
Oct 24
|
Isolated Rain Showers
|
72°F |
10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wailuku.
