Harman US

Wailua, HI Weather & Growing Conditions

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

This Afternoon
87°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 87. East northeast wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Wailua

WhenTempForecastWindPrecip
This Afternoon 87°F Scattered Rain Showers 12 to 15 mph ENE 52%
Tonight 77°F Scattered Rain Showers 8 to 12 mph ENE 39%
Saturday 86°F Scattered Rain Showers 8 to 15 mph ENE 44%
Saturday Night 77°F Scattered Rain Showers 14 mph ENE 34%
Sunday 86°F Scattered Rain Showers 15 mph ENE 32%
Sunday Night 77°F Scattered Rain Showers 14 mph ENE 29%
Monday 87°F Scattered Rain Showers 10 to 14 mph ENE 31%
Monday Night 77°F Scattered Rain Showers 10 mph ENE 37%
Tuesday 87°F Scattered Rain Showers 10 mph ENE 43%
Tuesday Night 77°F Chance Rain Showers 12 mph ENE 55%
Wednesday 86°F Scattered Rain Showers 12 mph NE 50%
Wednesday Night 76°F Scattered Rain Showers 12 mph NE 46%
Thursday 86°F Scattered Rain Showers 12 mph NE 53%
Thursday Night 76°F Scattered Rain Showers 12 to 15 mph ENE 45%

Forecast source: National Weather Service (api.weather.gov) for Wailua (22.054, -159.337). Updated through the day.

Growing snapshot for Wailua

Growing season
365 days

More local growing data for Wailua: nearby ZIP 96746 weather · frost dates · planting calendar · Hawaii frost dates

Nearby towns & communities

All Hawaii locations ›

Climate data from the nearest NOAA station, Lihue Wso Ap 1020.1, Hi (7.6 mi from Wailua). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.