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