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Kailua, HI Weather & Growing Conditions

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

Tonight
76°F
Mostly Cloudy
Mostly cloudy, with a low around 76. South southwest wind around 5 mph.

7-day forecast for Kailua

WhenTempForecastWindPrecip
Tonight 76°F Mostly Cloudy 5 mph SSW 12%
Saturday 86°F Partly Sunny 8 mph SSW 7%
Saturday Night 75°F Mostly Cloudy 3 mph ENE 7%
Sunday 86°F Mostly Sunny 2 mph W 4%
Sunday Night 76°F Mostly Cloudy 2 mph W 6%
Monday 87°F Mostly Sunny 2 mph W 5%
Monday Night 76°F Partly Cloudy 3 mph NNW 8%
Tuesday 87°F Mostly Sunny 5 mph WSW 8%
Tuesday Night 76°F Mostly Cloudy 2 mph W 10%
Wednesday 87°F Mostly Cloudy then Isolated Rain Showers 5 mph SW 18%
Wednesday Night 76°F Scattered Rain Showers 2 mph WNW 25%
Thursday 86°F Scattered Rain Showers 2 mph W 26%
Thursday Night 75°F Scattered Rain Showers 1 mph W 27%
Friday 85°F Isolated Rain Showers 2 to 6 mph NNW 20%

Forecast source: National Weather Service (api.weather.gov) for Kailua (19.646, -155.998). Updated through the day.

Growing snapshot for Kailua

Growing season
365 days

More local growing data for Kailua: nearby ZIP 96725 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Kailua Kona Ke-Ahole Ap, Hi (13.6 mi from Kailua). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.