National Weather Service Forecast for: Ewa Beach HI
Issued by: National Weather Service Honolulu, HI
Updated: 7:09 am HST Mar 19, 2026
 
Today

Today: Showers, mainly after 2pm. High near 81. Southeast wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half 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 72. Southeast wind 7 to 10 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 81. South wind 7 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

 Friday
Night
Friday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South southwest wind 8 to 10 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. South southwest wind 5 to 11 mph becoming north northwest in the morning. 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 69. South southwest wind 11 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Heavy Rain
then Showers
Likely
 Sunday

Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Southwest wind 6 to 11 mph becoming light and variable. Chance of precipitation is 60%.
Showers
Likely
 Sunday
Night
Sunday Night: Scattered showers. Cloudy, with a low around 68. North northeast wind 6 to 10 mph. Chance of precipitation is 40%.
Scattered
Showers
 Monday

Monday: Scattered showers, mainly before 8am. Mostly cloudy, with a high near 78. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Scattered
Showers and
Breezy
Hi 81 °F Lo 72 °F Hi 81 °F Lo 70 °F Hi 78 °F Lo 69 °F Hi 79 °F Lo 68 °F Hi 78 °F

Flood Watch
 

Today
 
 Showers, mainly after 2pm. High near 81. Southeast wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
 
 Showers, with thunderstorms also possible after 8pm. Some of the storms could produce heavy rainfall. Low around 72. Southeast wind 7 to 10 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 81. South wind 7 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South southwest wind 8 to 10 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. South southwest wind 5 to 11 mph becoming north northwest in the morning. 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 69. South southwest wind 11 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
 
 Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Southwest wind 6 to 11 mph becoming light and variable. Chance of precipitation is 60%.
Sunday Night
 
 Scattered showers. Cloudy, with a low around 68. North northeast wind 6 to 10 mph. Chance of precipitation is 40%.
Monday
 
 Scattered showers, mainly before 8am. Mostly cloudy, with a high near 78. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday Night
 
 Isolated showers before 8pm. Mostly cloudy, with a low around 66. Breezy, with a northeast wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday
 
 Isolated showers. Partly sunny, with a high near 78. Breezy, with an east northeast wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
 
 Partly cloudy, with a low around 67. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 22 mph.
Wednesday
 
 Mostly sunny, with a high near 79. Breezy, with an east northeast wind 14 to 18 mph, with gusts as high as 23 mph.

 

Forecast from NOAA-NWS for Ewa Beach HI.