Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Fair
73°F
23°C
| Humidity | 87% |
| Wind Speed | S 9 G 18 mph |
| Barometer | 29.85 in (1010.6 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 7:53 am HST |
Extended Forecast for
Hilo International Airport HI
Flood Watch March 20, 08:34am until March 22, 06:00pm
NOW until 6:00pm Sun
Flood Watch
Today
High: 81 °F
Isolated
T-stormsTonight
Low: 70 °F
Heavy Rain
Saturday
High: 82 °F
Heavy Rain
Saturday Night
Low: 69 °F
Heavy Rain
Sunday
High: 78 °F
Heavy Rain
Sunday Night
Low: 67 °F
Showers
LikelyMonday
High: 76 °F
Showers
LikelyMonday Night
Low: 66 °F
Showers
Likely then
Scattered
Showers
Detailed Forecast
Today
Isolated showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 9 to 14 mph becoming light east southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Calm wind becoming northeast 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. Northeast wind 5 to 7 mph becoming southwest in the evening. Chance of precipitation is 30%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 78. South southwest wind 5 to 7 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 around 5 mph becoming west northwest after midnight. 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 76. West northwest wind 5 to 8 mph becoming north northeast in the morning. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 66. North wind around 8 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers, mainly after 8am. Mostly cloudy, with a high near 76. North northeast wind 7 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 65. North wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 77. Northwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 77. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Additional Forecasts and Information
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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 am HST Mar 20, 2026
8am HST Mar 20, 2026-6pm HST Mar 26, 2026
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