National Weather Service Forecast for: Waimea 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 67. East northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Isolated
Showers then
Partly Cloudy

 Thursday

Thursday: Scattered showers after noon. Mostly sunny, with a high near 77. East northeast wind 5 to 9 mph becoming calm in the morning. Chance of precipitation is 40%. 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 68. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Scattered
Showers

 Friday

Friday: Scattered showers. Partly sunny, with a high near 79. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Scattered
Showers

 Friday
Night
Friday Night: Scattered showers. Partly cloudy, with a low around 68. East wind 10 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, mainly after noon. Partly sunny, with a high near 79. 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 between a tenth and quarter of an inch possible.
Isolated
Showers then
Scattered
Showers and
Breezy
 Saturday
Night
Saturday Night: Scattered showers. The rain could be heavy at times. Mostly cloudy, with a low around 68. Breezy, with an east wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Heavy Rain
and Breezy

 Sunday

Sunday: Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 77. Breezy, with an east wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Heavy Rain
and Breezy

 Sunday
Night
Sunday Night: Showers likely, mainly before midnight. The rain could be heavy at times. Mostly cloudy, with a low around 68. East southeast wind 5 to 13 mph. Chance of precipitation is 60%.
Heavy Rain
Lo 67 °F Hi 77 °F Lo 68 °F Hi 79 °F Lo 68 °F Hi 79 °F Lo 68 °F Hi 77 °F Lo 68 °F

 

Tonight
 
 Isolated showers before midnight. Partly cloudy, with a low around 67. East northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Thursday
 
 Scattered showers after noon. Mostly sunny, with a high near 77. East northeast wind 5 to 9 mph becoming calm in the morning. Chance of precipitation is 40%. 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 68. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Scattered showers. Partly sunny, with a high near 79. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
 Scattered showers. Partly cloudy, with a low around 68. East wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Scattered showers, mainly after noon. Partly sunny, with a high near 79. 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 between a tenth and quarter of an inch possible.
Saturday Night
 
 Scattered showers. The rain could be heavy at times. Mostly cloudy, with a low around 68. Breezy, with an east wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday
 
 Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 77. Breezy, with an east wind 13 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
 
 Showers likely, mainly before midnight. The rain could be heavy at times. Mostly cloudy, with a low around 68. East southeast wind 5 to 13 mph. Chance of precipitation is 60%.
Monday
 
 Scattered showers. The rain could be heavy at times. Mostly cloudy, with a high near 77. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
 
 Scattered showers. Mostly cloudy, with a low around 68. East wind 6 to 8 mph. Chance of precipitation is 50%.
Tuesday
 
 Scattered showers. Mostly cloudy, with a high near 76. East northeast wind around 9 mph. Chance of precipitation is 40%.
Tuesday Night
 
 Isolated showers. Mostly cloudy, with a low around 66. East wind around 9 mph. Chance of precipitation is 20%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 75. East northeast wind around 9 mph. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Waimea HI.