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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.