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

Tonight: Partly cloudy, with a low around 73. North northeast wind around 6 mph.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 87. East northeast wind 5 to 8 mph becoming calm in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 74. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Friday

Friday: Scattered showers, mainly before noon. Partly sunny, with a high near 88. South southeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Friday
Night
Friday Night: Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 13 mph. Chance of precipitation is 20%.
Isolated
Showers

 Saturday

Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Scattered
Showers and
Breezy
 Saturday
Night
Saturday Night: Isolated showers after midnight. Partly cloudy, with a low around 76. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Breezy.
Partly Cloudy
then Isolated
Showers
 Sunday

Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Scattered
Showers and
Breezy
 Sunday
Night
Sunday Night: Scattered showers. Mostly cloudy, with a low around 76. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Scattered
Showers and
Breezy
Lo 73 °F Hi 87 °F Lo 74 °F Hi 88 °F Lo 76 °F Hi 88 °F Lo 76 °F Hi 86 °F Lo 76 °F

 

Tonight
 
 Partly cloudy, with a low around 73. North northeast wind around 6 mph.
Thursday
 
 Mostly sunny, with a high near 87. East northeast wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
 
 Scattered showers, mainly after midnight. Partly cloudy, with a low around 74. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Scattered showers, mainly before noon. Partly sunny, with a high near 88. South southeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 5 to 13 mph. Chance of precipitation is 20%.
Saturday
 
 Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
 
 Isolated showers after midnight. Partly cloudy, with a low around 76. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
 
 Scattered showers, mainly after noon. Mostly sunny, with a high near 86. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
 
 Scattered showers. Mostly cloudy, with a low around 76. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday
 
 Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 86. Breezy, with an east wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
 
 Showers likely. Mostly cloudy, with a low around 76. East northeast wind around 13 mph. Chance of precipitation is 60%.
Tuesday
 
 Scattered showers. Mostly cloudy, with a high near 86. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
 
 Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 86. East northeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Waipahu HI.