Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Fair
78°F
26°C
| Humidity | 74% |
| Wind Speed | Calm |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 21 Mar 8:53 am HST |
Extended Forecast for
4 Miles WNW Volcano HI
Flood Watch March 21, 09:54am until March 22, 06:00pm
NOW until 6:00pm Sun

Flood Watch
Today

High: 68 °F
Heavy Rain
Tonight
Low: 57 °F
Heavy Rain
Sunday

High: 64 °F
Heavy Rain
Sunday Night

Low: 55 °F
Scattered
ShowersMonday

High: 61 °F
Showers
Monday Night
Low: 52 °F
Showers then
Isolated
ShowersTuesday

High: 62 °F
Scattered
ShowersTuesday Night
Low: 52 °F
Scattered
Showers then
Isolated
Showers
Detailed Forecast
Today
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 68. South wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 57. South southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 64. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Scattered showers. Cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly after 8am. High near 61. Light and variable wind becoming north northeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers, mainly before 8pm. Low around 52. North wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers after 8am. Partly sunny, with a high near 62. Northeast wind 9 to 11 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 52. North wind 9 to 11 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 62. Northeast wind around 9 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 51. North wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 64. North wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 51. North wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 63. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Volcano HI
19.52°N 155.28°W (Elev. 4541 ft)
19.52°N 155.28°W (Elev. 4541 ft)
6:02 am HST Mar 21, 2026
9am HST Mar 21, 2026-6pm HST Mar 27, 2026



