Captain Cook, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Captain Cook, a community in Hawaii County, Hawaii.
Today
78°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 78. West southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Captain Cook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Scattered Rain Showers | 5 to 10 mph WSW | 41% |
| Tonight | 66°F | Isolated Rain Showers then Partly Cloudy | 1 to 5 mph ESE | 16% |
| Wednesday | 79°F | Mostly Sunny then Isolated Rain Showers | 1 to 7 mph SW | 16% |
| Wednesday Night | 66°F | Partly Cloudy | 2 mph WSW | 14% |
| Thursday | 80°F | Mostly Sunny then Scattered Rain Showers | 2 mph WSW | 27% |
| Thursday Night | 68°F | Isolated Rain Showers then Partly Cloudy | 3 mph WSW | 17% |
| Friday | 81°F | Mostly Sunny then Isolated Rain Showers | 3 mph W | 22% |
| Friday Night | 69°F | Isolated Rain Showers then Mostly Cloudy | 2 mph NNW | 19% |
| Saturday | 81°F | Partly Sunny then Isolated Rain Showers | 3 mph NW | 22% |
| Saturday Night | 68°F | Isolated Rain Showers then Mostly Cloudy | 3 mph SW | 16% |
| Sunday | 80°F | Partly Sunny then Isolated Rain Showers | 6 mph WSW | 18% |
| Sunday Night | 67°F | Isolated Rain Showers then Partly Cloudy | 3 mph S | 16% |
| Monday | 80°F | Mostly Sunny then Isolated Rain Showers | 6 mph WSW | 18% |
| Monday Night | 66°F | Isolated Rain Showers then Mostly Cloudy | 5 mph NW | 16% |
Forecast source: National Weather Service (api.weather.gov) for Captain Cook (19.500, -155.894). Updated through the day.
Growing snapshot for Captain Cook
Growing season
365 days
More local growing data for Captain Cook: nearby ZIP 96750 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Ke-Ahole Pt 68.13, Hi (17.2 mi from Captain Cook). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.