National Weather Service Forecast for: 4 Miles SSW Waimanalo Beach HI
Issued by: National Weather Service Honolulu, HI
Updated: 9:16 am HST Mar 19, 2026
 
Today

Today: Showers, mainly after 2pm.  High near 79. Southeast wind 6 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Scattered
Showers then
Showers

Tonight

Tonight: Showers, with thunderstorms also possible after 8pm. Some of the storms could produce heavy rainfall.  Low around 74. Southeast wind around 9 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain


Friday

Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 79. South wind 9 to 11 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain


Friday
Night
Friday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 74. South southwest wind 9 to 11 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain


Saturday

Saturday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 78. West wind 7 to 13 mph.  Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain


Saturday
Night
Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 72. Breezy, with a south wind 13 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
then Showers
Likely and
Breezy
Sunday

Sunday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 77. Breezy, with a south southwest wind 7 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.
Showers
Likely and
Breezy

Sunday
Night
Sunday Night: Showers likely.  Cloudy, with a low around 72. Breezy, with a north northeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 60%.
Showers
Likely and
Breezy

Monday

Monday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 76. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%.
Breezy.
Showers
Likely then
Scattered
Showers
Hi 79 °F Lo 74 °F Hi 79 °F Lo 74 °F Hi 78 °F Lo 72 °F Hi 77 °F Lo 72 °F Hi 76 °F

Flood Watch
 

Today
 
Showers, mainly after 2pm. High near 79. Southeast wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
Showers, with thunderstorms also possible after 8pm. Some of the storms could produce heavy rainfall. Low around 74. Southeast wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. South wind 9 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. West wind 7 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Saturday Night
 
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with a south wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday
 
Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. Breezy, with a south southwest wind 7 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Sunday Night
 
Showers likely. Cloudy, with a low around 72. Breezy, with a north northeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Monday
 
Showers likely, mainly before 8am. Mostly cloudy, with a high near 76. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday Night
 
Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 71. Breezy, with a northeast wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday
 
Isolated showers. Partly sunny, with a high near 77. Windy, with an east northeast wind 22 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tuesday Night
 
Scattered showers. Mostly cloudy, with a low around 72. Breezy, with an east northeast wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday
 
Scattered showers. Partly sunny, with a high near 77. Windy, with a northeast wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for 4 Miles SSW Waimanalo Beach HI.