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

Today: Showers, mainly after 2pm. High near 76. Southeast wind 7 to 11 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 68. Southeast wind 6 to 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 75. South wind 6 to 14 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 68. South wind 10 to 14 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 73. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 18 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 before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 66. Breezy, with a south southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Breezy. 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 74. Southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Showers
Likely

 Sunday
Night
Sunday Night: Scattered showers. Cloudy, with a low around 64. North northeast wind 6 to 11 mph. Chance of precipitation is 40%.
Scattered
Showers

 Monday

Monday: Scattered showers, mainly before 8am. Mostly cloudy, with a high near 73. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Scattered
Showers and
Breezy
Hi 76 °F Lo 68 °F Hi 75 °F Lo 68 °F Hi 73 °F Lo 66 °F Hi 74 °F Lo 64 °F Hi 73 °F

Flood Watch
 

Today
 
 Showers, mainly after 2pm. High near 76. Southeast wind 7 to 11 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 68. Southeast wind 6 to 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 75. South wind 6 to 14 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 68. South wind 10 to 14 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 73. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches 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 66. Breezy, with a south southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
 
 Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Cloudy, with a high near 74. Southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Sunday Night
 
 Scattered showers. Cloudy, with a low around 64. North northeast wind 6 to 11 mph. Chance of precipitation is 40%.
Monday
 
 Scattered showers, mainly before 8am. Mostly cloudy, with a high near 73. Breezy, with a northeast wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
 
 Isolated showers before 8pm. Mostly cloudy, with a low around 63. Breezy, with a northeast wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
 
 Isolated showers. Partly sunny, with a high near 74. Breezy, with an east northeast wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday Night
 
 Mostly clear, with a low around 63. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph.
Wednesday
 
 Mostly sunny, with a high near 75. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph.

 

Forecast from NOAA-NWS for Kapolei HI.