Kapaa, HI Weather & Growing Conditions
Tonight
70°F
Occasional Rain Showers
Occasional rain showers. Mostly cloudy, with a low around 70. Northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Occasional Rain Showers | 15 mph NE | 82% |
| Wednesday | 79°F | Scattered Rain Showers | 16 mph ENE | 26% |
| Wednesday Night | 70°F | Scattered Rain Showers | 14 mph ENE | 27% |
| Thursday | 80°F | Scattered Rain Showers | 15 mph ENE | 44% |
| Thursday Night | 70°F | Scattered Rain Showers | 15 mph ENE | 32% |
| Friday | 79°F | Isolated Rain Showers | 15 to 18 mph NE | 23% |
| Friday Night | 70°F | Isolated Rain Showers | 18 mph NE | 17% |
| Saturday | 79°F | Scattered Rain Showers | 18 mph ENE | 26% |
| Saturday Night | 69°F | Scattered Rain Showers | 17 mph ENE | 27% |
| Sunday | 79°F | Scattered Rain Showers | 18 mph ENE | 29% |
| Sunday Night | 69°F | Scattered Rain Showers | 18 mph ENE | 27% |
| Monday | 79°F | Scattered Rain Showers | 17 mph ENE | 29% |
| Monday Night | 69°F | Scattered Rain Showers | 17 mph ENE | 26% |
| Tuesday | 79°F | Isolated Rain Showers | 16 mph NE | 24% |
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, Kilauea 1134, Hi (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.