Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Mostly Cloudy
73°F
23°C
| Humidity | 94% |
| Wind Speed | S 3 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 9.00 mi |
| Last update | 21 Mar 7:53 pm HST |
Extended Forecast for
3 Miles ENE Hilo International Airport HI
Flood Watch March 21, 08:19pm until March 22, 06:00pm
NOW until 6:00pm Sun

Flood Watch
Tonight

Low: 69 °F
Heavy Rain
Sunday

High: 81 °F
Heavy Rain
Sunday Night

Low: 67 °F
Heavy Rain
Monday

High: 77 °F
Showers
Monday Night

Low: 66 °F
Showers
LikelyTuesday

High: 77 °F
Scattered
ShowersTuesday Night

Low: 66 °F
Scattered
ShowersWednesday

High: 78 °F
Isolated
Showers and
Breezy
Detailed Forecast
Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. 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 81. Calm wind becoming north 5 to 9 mph in the afternoon. 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 67. Calm wind becoming southeast around 6 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 77. Southeast wind 5 to 8 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 66. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 77. North northeast wind 5 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 78. Breezy, with a north northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 65. North wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 78. North northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North wind 9 to 11 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 65. North northeast wind 8 to 10 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ENE Hilo International Airport HI
19.72°N 155.02°W (Elev. 16 ft)
19.72°N 155.02°W (Elev. 16 ft)
6:01 pm HST Mar 21, 2026
8pm HST Mar 21, 2026-6pm HST Mar 28, 2026



