National Weather Service Forecast for: Honolulu HI
Issued by: National Weather Service Honolulu, HI
Updated: 9:16 am HST Mar 19, 2026
 
This
Afternoon
This Afternoon: Showers, mainly after 2pm. High near 81. South southeast wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Tonight

Tonight: Showers, with thunderstorms also possible after 8pm. Some of the storms could produce heavy rainfall. Low around 74. 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 81. South wind 6 to 10 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 73. South southwest wind 7 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 79. South southwest wind 5 to 10 mph becoming west 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 72. South southwest wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
then Showers
Likely
 Sunday

Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Southwest wind 5 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 70%.
Showers
Likely
 Sunday
Night
Sunday Night: Showers likely. Cloudy, with a low around 70. North northeast wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Showers
Likely
 Monday

Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 78. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Showers
Likely and
Breezy
Hi 81 °F Lo 74 °F Hi 81 °F Lo 73 °F Hi 79 °F Lo 72 °F Hi 79 °F Lo 70 °F Hi 78 °F

Flood Watch
 

This Afternoon
 
 Showers, mainly after 2pm. High near 81. South southeast wind 9 to 11 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 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 81. South wind 6 to 10 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 73. South southwest wind 7 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 79. South southwest wind 5 to 10 mph becoming west 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 72. South southwest wind 10 to 13 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 79. Southwest wind 5 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 70%.
Sunday Night
 
 Showers likely. Cloudy, with a low around 70. North northeast wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Monday
 
 Showers likely, mainly before 8am. Mostly cloudy, with a high near 78. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
 
 Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 69. Breezy, with a northeast wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
 
 Isolated showers. Partly sunny, with a high near 79. Breezy, with an east northeast wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tuesday Night
 
 Scattered showers. Partly cloudy, with a low around 70. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Wednesday
 
 Scattered showers. Partly sunny, with a high near 80. Breezy, with an east northeast wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Honolulu HI.