Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Rain Fog/Mist
73°F
23°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1010.8 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 6.00 mi |
| Last update | 21 Mar 6:53 pm HST |
Extended Forecast for
Hilo International Airport HI
Flood Watch March 21, 07:22pm until March 22, 06:00pm
NOW until 6:00pm Sun
Flood Watch
Tonight
Low: 70 °F
Heavy Rain
Sunday
High: 79 °F
Heavy Rain
Sunday Night
Low: 68 °F
Heavy Rain
Monday
High: 75 °F
Showers
Monday Night
Low: 67 °F
Showers
LikelyTuesday
High: 75 °F
Scattered
ShowersTuesday Night
Low: 66 °F
Scattered
ShowersWednesday
High: 76 °F
Partly Sunny
then Isolated
Showers
Detailed Forecast
Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Occasional showers. High near 75. East southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 75. Light north northeast wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 66. North northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday
Isolated showers after noon. Partly sunny, with a high near 76. North northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 67. North wind 9 to 11 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 77. North northeast wind 9 to 13 mph.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North wind around 9 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Mostly cloudy, with a high near 76. Northeast wind 8 to 11 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 66. North northeast wind around 8 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 75. Northeast wind 8 to 13 mph. Chance of precipitation is 20%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hilo International Airport HI
19.72°N 155.09°W (Elev. 95 ft)
19.72°N 155.09°W (Elev. 95 ft)
6:01 pm HST Mar 21, 2026
7pm HST Mar 21, 2026-6pm HST Mar 28, 2026
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