Hazardous Weather Conditions
Current conditions at
Hilo, Hilo International Airport (PHTO)
Lat: 19.72°NLon: 155.06°WElev: 36ft.
Light Rain
77°F
25°C
| Humidity | 79% |
| Wind Speed | E 6 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 19 Mar 10:53 am HST |
Extended Forecast for
Hilo International Airport HI
Flood Watch March 19, 06:00pm until March 22, 06:00pm
Today

High: 81 °F
Scattered
ShowersTonight
Low: 70 °F
Heavy Rain
Friday

High: 83 °F
Isolated
T-stormsFriday Night

Low: 70 °F
Isolated
T-stormsSaturday

High: 83 °F
Heavy Rain
and BreezySaturday Night

Low: 69 °F
Heavy Rain
Sunday

High: 80 °F
Showers
LikelySunday Night

Low: 68 °F
Showers
LikelyMonday

High: 78 °F
Showers
Detailed Forecast
Today
Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Scattered showers before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Isolated showers and thunderstorms after 8am. Mostly cloudy, with a high near 83. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Cloudy, with a low around 70. South wind 6 to 8 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. Breezy, with a south wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 22 mph. 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 wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 68. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 70%.
Monday
Showers. High near 78. North wind 5 to 7 mph. Chance of precipitation is 80%.
Monday Night
Showers, mainly before 2am. Low around 67. West northwest wind 5 to 8 mph becoming north northeast after midnight. Chance of precipitation is 80%.
Tuesday
Showers. High near 78. North wind 3 to 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers. Low around 66. Light and variable wind. Chance of precipitation is 90%.
Wednesday
Showers. High near 78. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hilo International Airport HI
19.72°N 155.07°W (Elev. 36 ft)
19.72°N 155.07°W (Elev. 36 ft)
9:16 am HST Mar 19, 2026
11am HST Mar 19, 2026-6pm HST Mar 25, 2026



