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

Tonight: Isolated showers before midnight. Partly cloudy, with a low around 71. East northeast wind 5 to 9 mph. Chance of precipitation is 20%.
Isolated
Showers

 Thursday

Thursday: Scattered showers after noon. Mostly sunny, with a high near 86. East northeast wind 5 to 8 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. Mostly cloudy, with a low around 71. East northeast wind around 6 mph becoming calm in the evening. 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 87. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Scattered
Showers

 Friday
Night
Friday Night: Scattered showers. Mostly cloudy, with a low around 74. East wind 6 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Scattered
Showers

 Saturday

Saturday: Scattered showers. Partly sunny, with a high near 86. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers and
Breezy
 Saturday
Night
Saturday Night: Scattered showers. Mostly cloudy, with a low around 74. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Scattered
Showers and
Breezy
 Sunday

Sunday: Scattered showers. The rain could be heavy at times. Partly sunny, with a high near 85. Breezy, with an east northeast wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Heavy Rain
and Breezy

 Sunday
Night
Sunday Night: Showers likely, mainly after midnight. The rain could be heavy at times. Mostly cloudy, with a low around 74. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Heavy Rain
and Breezy
Lo 71 °F Hi 86 °F Lo 71 °F Hi 87 °F Lo 74 °F Hi 86 °F Lo 74 °F Hi 85 °F Lo 74 °F

 

Tonight
 
 Isolated showers before midnight. Partly cloudy, with a low around 71. East northeast wind 5 to 9 mph. Chance of precipitation is 20%.
Thursday
 
 Scattered showers after noon. Mostly sunny, with a high near 86. East northeast wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Scattered showers. Mostly cloudy, with a low around 71. East northeast wind around 6 mph becoming calm in the evening. 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 87. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 Scattered showers. Mostly cloudy, with a low around 74. East wind 6 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Scattered showers. Partly sunny, with a high near 86. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 Scattered showers. Mostly cloudy, with a low around 74. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday
 
 Scattered showers. The rain could be heavy at times. Partly sunny, with a high near 85. Breezy, with an east northeast wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Sunday Night
 
 Showers likely, mainly after midnight. The rain could be heavy at times. Mostly cloudy, with a low around 74. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday
 
 Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Breezy, with an east wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday Night
 
 Showers likely. Mostly cloudy, with a low around 73. Breezy, with an east wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday
 
 Scattered showers. Mostly cloudy, with a high near 84. East wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
 
 Showers likely. Mostly cloudy, with a low around 72. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 85. East northeast wind 11 to 13 mph. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Wahiawa HI.