National Weather Service Forecast for: Hilo International Airport HI
Issued by: National Weather Service Honolulu, HI
Updated: 6:01 pm HST Aug 19, 2026
 
Tonight

Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 73. West northwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Thursday

Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Scattered
Showers

 Thursday
Night
Thursday Night: Showers likely. Mostly cloudy, with a low around 72. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely

 Friday

Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely then
Scattered
Showers
 Friday
Night
Friday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely

 Saturday

Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 83. Northeast wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely

 Saturday
Night
Saturday Night: Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 72. North wind 7 to 9 mph. Chance of precipitation is 70%.
Heavy Rain

 Sunday

Sunday: Occasional showers. High near 81. Northeast wind 7 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Showers

 Sunday
Night
Sunday Night: Occasional showers. Low around 73. South wind around 7 mph. Chance of precipitation is 90%.
Showers
Lo 73 °F Hi 83 °F Lo 72 °F Hi 83 °F Lo 72 °F Hi 83 °F Lo 72 °F Hi 81 °F Lo 73 °F

 

Tonight
 
 Scattered showers, mainly before midnight. Partly cloudy, with a low around 73. West northwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Showers likely. Mostly cloudy, with a low around 72. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Showers likely, mainly after midnight. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Showers likely, mainly after noon. Mostly cloudy, with a high near 83. Northeast wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 72. North wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday
 
 Occasional showers. High near 81. Northeast wind 7 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Sunday Night
 
 Occasional showers. Low around 73. South wind around 7 mph. Chance of precipitation is 90%.
Monday
 
 Showers likely. The rain could be heavy at times. Cloudy, with a high near 81. Southeast wind 6 to 10 mph. Chance of precipitation is 70%.
Monday Night
 
 Showers likely. Cloudy, with a low around 73. South southeast wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday
 
 Showers likely. Cloudy, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 60%.
Tuesday Night
 
 Occasional showers. Low around 72. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Wednesday
 
 Occasional showers. High near 80. Calm wind becoming east 5 to 7 mph. Chance of precipitation is 80%.

 

Forecast from NOAA-NWS for Hilo International Airport HI.