Ko Olina, HI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ko Olina, a community in Honolulu County, Hawaii.

Tonight

75°F

Mostly Clear

Mostly clear, with a low around 75. East northeast wind 6 to 12 mph.

7-day forecast for Ko Olina

When	Temp	Forecast	Wind	Precip
Tonight	75°F	Mostly Clear	6 to 12 mph ENE	8%
Tuesday	87°F	Mostly Sunny then Isolated Rain Showers	6 mph ESE	16%
Tuesday Night	76°F	Mostly Clear then Isolated Rain Showers	6 to 9 mph ENE	16%
Wednesday	88°F	Sunny	8 mph ENE	11%
Wednesday Night	76°F	Partly Cloudy then Isolated Rain Showers	8 mph ENE	17%
Thursday	88°F	Mostly Sunny	8 to 12 mph ENE	12%
Thursday Night	76°F	Partly Cloudy then Isolated Rain Showers	12 mph ENE	18%
Friday	89°F	Mostly Sunny	13 mph ENE	13%
Friday Night	76°F	Mostly Clear then Isolated Rain Showers	14 mph ENE	17%
Saturday	89°F	Sunny	14 to 17 mph ENE	5%
Saturday Night	77°F	Mostly Clear	12 to 15 mph ENE	12%
Sunday	89°F	Mostly Sunny	12 to 15 mph ENE	8%
Sunday Night	77°F	Partly Cloudy then Isolated Rain Showers	14 mph ENE	17%
Monday	89°F	Sunny	13 to 17 mph ENE	5%

Forecast source: National Weather Service (api.weather.gov) for Ko Olina (21.338, -158.119). Updated through the day.

Growing snapshot for Ko Olina

Growing season

365 days

More local growing data for Ko Olina: nearby ZIP 96707 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Puu Manawahua 725.6, Hi (2.7 mi from Ko Olina). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.