Kapaa, HI Weather & Growing Conditions
This Afternoon
86°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 86. East northeast wind around 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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Scattered Rain Showers | 15 mph ENE | 51% |
| Tonight | 78°F | Scattered Rain Showers | 13 mph ENE | 28% |
| Saturday | 86°F | Scattered Rain Showers | 10 to 17 mph ENE | 36% |
| Saturday Night | 78°F | Scattered Rain Showers | 17 mph E | 30% |
| Sunday | 86°F | Scattered Rain Showers | 17 mph E | 28% |
| Sunday Night | 78°F | Scattered Rain Showers | 15 mph ENE | 27% |
| Monday | 86°F | Scattered Rain Showers | 15 mph ENE | 29% |
| Monday Night | 78°F | Scattered Rain Showers | 13 mph ENE | 33% |
| Tuesday | 86°F | Scattered Rain Showers | 13 mph ENE | 35% |
| Tuesday Night | 78°F | Scattered Rain Showers | 13 mph ENE | 51% |
| Wednesday | 86°F | Scattered Rain Showers | 13 mph ENE | 46% |
| Wednesday Night | 77°F | Scattered Rain Showers | 14 mph NE | 45% |
| Thursday | 85°F | Scattered Rain Showers | 15 mph NE | 49% |
| Thursday Night | 77°F | Scattered Rain Showers | 15 mph ENE | 44% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kapaa, HI
Growing season
365 days
Explore more for Kapaa, HI: full frost dates · planting calendar · Hawaii frost dates
Climate data from the nearest NOAA station, Lihue Wso Ap 1020.1, Hi (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.