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Captain Cook, HI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Captain Cook, a community in Hawaii County, Hawaii.

Tonight
70°F
Mostly Cloudy
Mostly cloudy, with a low around 70. North northeast wind around 5 mph.

7-day forecast for Captain Cook

WhenTempForecastWindPrecip
Tonight 70°F Mostly Cloudy 5 mph NNE 14%
Saturday 81°F Mostly Cloudy 5 to 8 mph WSW 12%
Saturday Night 70°F Mostly Cloudy 2 mph NW 8%
Sunday 82°F Partly Sunny 2 mph NW 3%
Sunday Night 70°F Mostly Cloudy 2 mph SW 8%
Monday 82°F Mostly Sunny 2 mph WNW 14%
Monday Night 71°F Partly Cloudy 2 mph NNW 12%
Tuesday 83°F Partly Sunny 2 mph WNW 5%
Tuesday Night 71°F Mostly Cloudy 2 mph NNW 12%
Wednesday 82°F Mostly Cloudy then Isolated Rain Showers 1 mph W 17%
Wednesday Night 71°F Isolated Rain Showers then Mostly Cloudy 1 mph SE 22%
Thursday 81°F Mostly Cloudy then Isolated Rain Showers 1 mph WNW 23%
Thursday Night 70°F Isolated Rain Showers then Mostly Cloudy 2 mph ESE 21%
Friday 80°F Mostly Cloudy then Isolated Rain Showers 5 mph NNW 15%

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 Sep 19, 2026.