National Weather Service Forecast for: Waimea HI
Issued by: National Weather Service Honolulu, HI
Updated: 9:16 am HST Mar 19, 2026
 
Today

Today: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Scattered
Showers then
Showers
Likely
 Tonight

Tonight: Showers likely before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain

 Friday

Friday: Showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 75. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain

 Friday
Night
Friday Night: Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 60. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain

 Saturday

Saturday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 75. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain

 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 59. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
then
Scattered
Showers
 Sunday

Sunday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Cloudy, with a high near 72. West southwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Showers
Likely

 Sunday
Night
Sunday Night: Showers likely. Cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 60%.
Showers
Likely

 Monday

Monday: Showers likely. Cloudy, with a high near 71. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Showers
Likely
Hi 74 °F Lo 60 °F Hi 75 °F Lo 60 °F Hi 75 °F Lo 59 °F Hi 72 °F Lo 57 °F Hi 71 °F

Flood Watch
 

Today
 
 Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 Showers likely before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 75. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 60. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 75. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
 
 Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 59. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Cloudy, with a high near 72. West southwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Sunday Night
 
 Showers likely. Cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 60%.
Monday
 
 Showers likely. Cloudy, with a high near 71. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
 
 Showers likely, mainly before 8pm. Cloudy, with a low around 56. East northeast wind around 10 mph. Chance of precipitation is 70%.
Tuesday
 
 Showers likely. Cloudy, with a high near 71. East northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
 
 Showers likely. Mostly cloudy, with a low around 56. East northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 73. East northeast wind 7 to 11 mph. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Waimea HI.