Wailuku, HI Weather Forecast

Local 7-day forecast

76°
F

Isolated Rain Showers then Mostly Sunny

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

Sunday, July 19, 2026
Wind: 16 to 20 mph NE
Sunday

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 7-day forecast

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
Next High
76°F
Sunday
Next Low
69°F
Sunday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
20 to 25 mph
Friday

Daily Outlook

Today
Jul 19
Isolated Rain Showers then Mostly Sunny
76 °F
/ 69°F
Wind 16 to 20 mph
Mon
Jul 20
Isolated Rain Showers then Mostly Sunny
75 °F
/ 69°F
Wind 16 mph
Tue
Jul 21
Isolated Rain Showers
75 °F
/ 69°F
Wind 13 to 17 mph
Wed
Jul 22
Mostly Sunny
76 °F
/ 69°F
Wind 16 to 20 mph
Thu
Jul 23
Mostly Sunny
75 °F
/ 69°F
Wind 17 to 23 mph
Fri
Jul 24
Mostly Sunny
75 °F
/ 69°F
Wind 20 to 25 mph

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 source

Extended Forecast

Sunday Night
Jul 19
69°F
Partly Cloudy
14 to 18 mph NE

Partly cloudy, with a low around 69. Northeast wind 14 to 18 mph, with gusts as high as 25 mph.

Monday
Jul 20
75°F
Isolated Rain Showers then Mostly Sunny
16 mph ENE

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%.

Monday Night
Jul 20
69°F
Isolated Rain Showers then Partly Cloudy
12 to 16 mph ENE

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%.

Tuesday
Jul 21
75°F
Isolated Rain Showers
13 to 17 mph ENE

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%.

Tuesday Night
Jul 21
69°F
Isolated Rain Showers then Partly Cloudy
14 to 17 mph ENE

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%.

Wednesday
Jul 22
76°F
Mostly Sunny
16 to 20 mph ENE

Mostly sunny, with a high near 76. East northeast wind 16 to 20 mph, with gusts as high as 28 mph.

Wednesday Night
Jul 22
69°F
Partly Cloudy
16 to 20 mph ENE

Partly cloudy, with a low around 69. East northeast wind 16 to 20 mph, with gusts as high as 28 mph.

Thursday
Jul 23
75°F
Mostly Sunny
17 to 23 mph ENE

Mostly sunny, with a high near 75. East northeast wind 17 to 23 mph, with gusts as high as 32 mph.

Thursday Night
Jul 23
69°F
Mostly Clear
20 to 23 mph ENE

Mostly clear, with a low around 69. East northeast wind 20 to 23 mph, with gusts as high as 32 mph.

Friday
Jul 24
75°F
Mostly Sunny
20 to 25 mph ENE

Mostly sunny, with a high near 75. East northeast wind 20 to 25 mph, with gusts as high as 36 mph.

Friday Night
Jul 24
69°F
Partly Cloudy
0 to 25 mph NNE

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
WailukuTownShot
WailukuTownShot 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.