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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
74°F
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before midnight. Partly cloudy, with a low around 74. Southwest wind around 3 mph. Chance of precipitation is 20%.

7-day forecast for Kailua

WhenTempForecastWindPrecip
Tonight 74°F Isolated Rain Showers then Partly Cloudy 3 mph SW 15%
Tuesday 86°F Sunny 2 to 6 mph SW 12%
Tuesday Night 74°F Partly Cloudy 5 mph W 13%
Wednesday 86°F Mostly Sunny then Isolated Rain Showers 2 to 6 mph WNW 16%
Wednesday Night 74°F Isolated Rain Showers then Partly Cloudy 3 mph NW 18%
Thursday 86°F Mostly Sunny then Isolated Rain Showers 1 to 7 mph W 17%
Thursday Night 74°F Isolated Rain Showers then Partly Cloudy 2 mph NW 19%
Friday 86°F Mostly Sunny then Isolated Rain Showers 5 mph WSW 24%
Friday Night 74°F Mostly Clear 2 mph W 8%
Saturday 87°F Mostly Sunny then Isolated Rain Showers 1 to 6 mph W 22%
Saturday Night 75°F Mostly Clear 2 mph WSW 14%
Sunday 87°F Mostly Sunny then Scattered Rain Showers 1 to 7 mph WNW 27%
Sunday Night 75°F Scattered Rain Showers 3 mph WNW 32%
Monday 87°F Mostly Sunny then Isolated Rain Showers 5 mph W 18%

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 Aug 4, 2026.