National Weather Service Forecast for: Hilo International Airport HI
Issued by: National Weather Service Honolulu, HI
Updated: 4:02 pm HST Apr 18, 2025
 
This
Afternoon
This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 80. East southeast wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
Tonight

Tonight: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 67. Southwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
Saturday

Saturday: Occasional showers and possibly a thunderstorm before 7am, then occasional showers between 7am and noon, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall.  High near 80. Light and variable wind becoming east 6 to 11 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
Saturday
Night
Saturday Night: Occasional showers.  Low around 68. South southwest wind 3 to 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Sunday

Sunday: Showers likely, with thunderstorms also possible after noon.  Partly sunny, with a high near 79. East wind 3 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
Sunday
Night
Sunday Night: Occasional showers.  Low around 67. Light south wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Monday

Monday: Showers likely.  Mostly cloudy, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 70%.
Showers
Likely
Monday
Night
Monday Night: Occasional showers.  Low around 67. South southeast wind 5 to 7 mph.  Chance of precipitation is 80%.
Showers
Tuesday

Tuesday: Scattered showers.  Partly sunny, with a high near 80. East southeast wind 7 to 13 mph.  Chance of precipitation is 50%.
Scattered
Showers
Hi 80 °F Lo 67 °F Hi 80 °F Lo 68 °F Hi 79 °F Lo 67 °F Hi 80 °F Lo 67 °F Hi 80 °F

 

This Afternoon
 
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. East southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Occasional showers and possibly a thunderstorm before 7am, then occasional showers between 7am and noon, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 80. Light and variable wind becoming east 6 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
Occasional showers. Low around 68. South southwest wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 79. East wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
Occasional showers. Low around 67. Light south wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
 
Showers likely. Mostly cloudy, with a high near 80. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
 
Occasional showers. Low around 67. South southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Tuesday
 
Scattered showers. Partly sunny, with a high near 80. East southeast wind 7 to 13 mph. Chance of precipitation is 50%.
Tuesday Night
 
Scattered showers, mainly after midnight. Partly cloudy, with a low around 68. South southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday
 
Scattered showers. Partly sunny, with a high near 81. Southeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
 
Scattered showers. Mostly cloudy, with a low around 68. South wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday
 
Scattered showers. Mostly sunny, with a high near 82. East southeast wind 7 to 13 mph. Chance of precipitation is 30%.
Thursday Night
 
Scattered showers. Partly cloudy, with a low around 68. South southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Friday
 
Isolated showers. Mostly sunny, with a high near 82. East southeast wind 7 to 11 mph. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Hilo International Airport HI.