National Weather Service Forecast for: Wailuku HI
Issued by: National Weather Service Honolulu, HI
Updated: 6:02 pm HST Jun 18, 2026
 
Tonight

Tonight: Isolated showers before midnight. Partly cloudy, with a low around 75. North wind 5 to 10 mph. Chance of precipitation is 20%.
Isolated
Showers then
Mostly Clear
 Juneteenth

Juneteenth: Sunny, with a high near 83. Breezy, with a north wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Sunny then
Sunny and
Breezy
 Friday
Night
Friday Night: Mostly clear, with a low around 74. East wind 5 to 9 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 83. East northeast wind around 9 mph.
Sunny

 Saturday
Night
Saturday Night: Isolated showers. Partly cloudy, with a low around 74. East northeast wind around 8 mph. Chance of precipitation is 20%.
Isolated
Showers
 Sunday

Sunday: Isolated showers before noon. Mostly sunny, with a high near 82. East northeast wind around 8 mph. Chance of precipitation is 20%.
Isolated
Showers then
Sunny
 Sunday
Night
Sunday Night: Isolated showers before midnight. Mostly clear, with a low around 73. East northeast wind around 9 mph. Chance of precipitation is 20%.
Isolated
Showers then
Mostly Clear
 Monday

Monday: Isolated showers before noon. Mostly sunny, with a high near 81. East wind 9 to 11 mph. Chance of precipitation is 20%.
Isolated
Showers then
Sunny
 Monday
Night
Monday Night: Isolated showers. Partly cloudy, with a low around 73. East northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Isolated
Showers
Lo 75 °F Hi 83 °F Lo 74 °F Hi 83 °F Lo 74 °F Hi 82 °F Lo 73 °F Hi 81 °F Lo 73 °F

 

Tonight
 
 Isolated showers before midnight. Partly cloudy, with a low around 75. North wind 5 to 10 mph. Chance of precipitation is 20%.
Juneteenth
 
 Sunny, with a high near 83. Breezy, with a north wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Friday Night
 
 Mostly clear, with a low around 74. East wind 5 to 9 mph.
Saturday
 
 Sunny, with a high near 83. East northeast wind around 9 mph.
Saturday Night
 
 Isolated showers. Partly cloudy, with a low around 74. East northeast wind around 8 mph. Chance of precipitation is 20%.
Sunday
 
 Isolated showers before noon. Mostly sunny, with a high near 82. East northeast wind around 8 mph. Chance of precipitation is 20%.
Sunday Night
 
 Isolated showers before midnight. Mostly clear, with a low around 73. East northeast wind around 9 mph. Chance of precipitation is 20%.
Monday
 
 Isolated showers before noon. Mostly sunny, with a high near 81. East wind 9 to 11 mph. Chance of precipitation is 20%.
Monday Night
 
 Isolated showers. Partly cloudy, with a low around 73. East northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Tuesday
 
 Scattered showers before noon. Mostly sunny, with a high near 81. East northeast wind around 11 mph. Chance of precipitation is 30%.
Tuesday Night
 
 Isolated showers. Partly cloudy, with a low around 74. East wind around 11 mph. Chance of precipitation is 20%.
Wednesday
 
 Isolated showers. Partly sunny, with a high near 81. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
 
 Isolated showers. Mostly cloudy, with a low around 73. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday
 
 Scattered showers. Partly sunny, with a high near 81. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Wailuku HI.