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 | 96% |
| Wind Speed | Calm |
| Barometer | 29.87 in (1011.4 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 8.00 mi |
| Last update | 20 Mar 12:53 am HST |
Extended Forecast for
4 Miles E Hilo International Airport HI
Flood Watch until March 22, 06:00pm
NOW until 6:00pm Sun

Flood Watch
Overnight

Low: 68 °F
Scattered
ShowersFriday

High: 82 °F
Isolated
T-stormsFriday Night

Low: 70 °F
Heavy Rain
Saturday

High: 83 °F
Heavy Rain
Saturday Night

Low: 69 °F
Heavy Rain
Sunday

High: 79 °F
Heavy Rain
Sunday Night

Low: 67 °F
Showers
LikelyMonday

High: 78 °F
Showers
Likely
Detailed Forecast
Overnight
Scattered showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 68. South southeast wind around 8 mph becoming southwest. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Isolated showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. South wind 7 to 11 mph. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. South wind 8 to 13 mph becoming northeast 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. Northeast wind 6 to 10 mph becoming southwest 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 79. South wind 7 to 9 mph becoming north northeast in the afternoon. 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. North northeast wind 5 to 7 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Monday
Showers likely. Cloudy, with a high near 78. West northwest wind 6 to 10 mph becoming north northeast in the morning. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 66. North wind 8 to 10 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 77. North northeast wind 8 to 13 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 78. Northeast wind 7 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 78. North northwest wind 7 to 11 mph becoming northeast in the morning. 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:
4 Miles E Hilo International Airport HI
19.7°N 155.02°W (Elev. 36 ft)
19.7°N 155.02°W (Elev. 36 ft)
6:02 pm HST Mar 19, 2026
12am HST Mar 20, 2026-6pm HST Mar 26, 2026



