Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Fair
71°F
22°C
| Humidity | 90% |
| Wind Speed | W 6 mph |
| Barometer | 29.84 in (1010.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 11:53 pm HST |
Extended Forecast for
3 Miles ENE Hilo International Airport HI
Flood Watch March 21, 12:40am until March 22, 06:00pm
NOW until 6:00pm Sun

Flood Watch
Overnight

Low: 69 °F
Heavy Rain
Saturday

High: 84 °F
Heavy Rain
Saturday Night

Low: 69 °F
Heavy Rain
Sunday

High: 81 °F
Heavy Rain
Sunday Night

Low: 67 °F
Showers
LikelyMonday

High: 77 °F
Showers
LikelyMonday Night
Low: 66 °F
Showers
Likely then
Scattered
ShowersTuesday

High: 77 °F
Scattered
Showers
Detailed Forecast
Overnight
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. North northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%. 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 81. Calm wind becoming east around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely. Cloudy, with a high near 77. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 66. North wind 5 to 9 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers. Partly sunny, with a high near 77. North northeast wind 9 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly after noon. Partly sunny, with a high near 78. North northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 65. North wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 78. North wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North northeast wind 3 to 8 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
10:56 pm HST Mar 20, 2026
12am HST Mar 21, 2026-6pm HST Mar 27, 2026



