National Weather Service Forecast for: Kahului Airport HI
Issued by: National Weather Service Honolulu, HI
Updated: 6:01 pm HST Aug 19, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 74. North northeast wind 5 to 9 mph.
Partly Cloudy

 Thursday

Thursday: Scattered showers after noon. Mostly sunny, with a high near 86. North wind 5 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny
then
Scattered
Showers
 Thursday
Night
Thursday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 75. North northeast wind around 6 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Friday

Friday: Scattered showers. Partly sunny, with a high near 88. Heat index values as high as 95. Northeast wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Friday
Night
Friday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. Northeast wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Saturday

Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Scattered
Showers

 Saturday
Night
Saturday Night: Isolated showers. Partly cloudy, with a low around 76. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Isolated
Showers and
Breezy
 Sunday

Sunday: Scattered showers. The rain could be heavy at times. Partly sunny, with a high near 87. Breezy, with a north northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Heavy Rain
and Breezy

 Sunday
Night
Sunday Night: Scattered showers. Mostly cloudy, with a low around 76. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Scattered
Showers and
Breezy
Lo 74 °F Hi 86 °F Lo 75 °F Hi 88 °F Lo 76 °F Hi 88 °F Lo 76 °F Hi 87 °F Lo 76 °F

 

Tonight
 
 Partly cloudy, with a low around 74. North northeast wind 5 to 9 mph.
Thursday
 
 Scattered showers after noon. Mostly sunny, with a high near 86. North wind 5 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Scattered showers, mainly after midnight. Mostly cloudy, with a low around 75. North northeast wind around 6 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Scattered showers. Partly sunny, with a high near 88. Heat index values as high as 95. Northeast wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. Northeast wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday Night
 
 Isolated showers. Partly cloudy, with a low around 76. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday
 
 Scattered showers. The rain could be heavy at times. Partly sunny, with a high near 87. Breezy, with a north northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday Night
 
 Scattered showers. Mostly cloudy, with a low around 76. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday
 
 Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 87. Northeast wind 11 to 14 mph. Chance of precipitation is 60%.
Monday Night
 
 Showers likely. Mostly cloudy, with a low around 76. Northeast wind around 11 mph. Chance of precipitation is 60%.
Tuesday
 
 Scattered showers. Mostly cloudy, with a high near 86. Northeast wind around 11 mph. Chance of precipitation is 50%.
Tuesday Night
 
 Scattered showers. Mostly cloudy, with a low around 75. Northeast wind around 11 mph. Chance of precipitation is 30%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 86. Northeast wind around 11 mph. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Kahului Airport HI.