Kapaa, HI Weather & Growing Conditions
Overnight
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 71. East northeast wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Scattered Rain Showers | 2 to 6 mph ENE | 38% |
| Tuesday | 80°F | Scattered Rain Showers | 2 to 9 mph ENE | 48% |
| Tuesday Night | 71°F | Chance Rain Showers | 9 mph E | 59% |
| Wednesday | 80°F | Chance Rain Showers | 12 mph E | 59% |
| Wednesday Night | 71°F | Scattered Rain Showers | 12 mph ENE | 54% |
| Thursday | 80°F | Chance Rain Showers | 12 mph E | 56% |
| Thursday Night | 71°F | Scattered Rain Showers | 12 mph E | 53% |
| Friday | 81°F | Scattered Rain Showers | 13 mph E | 42% |
| Friday Night | 72°F | Scattered Rain Showers | 14 mph E | 53% |
| Saturday | 81°F | Scattered Rain Showers | 15 mph E | 53% |
| Saturday Night | 72°F | Scattered Rain Showers | 15 mph ENE | 43% |
| Sunday | 81°F | Scattered Rain Showers | 15 mph E | 53% |
| Sunday Night | 72°F | Scattered Rain Showers | 15 mph E | 40% |
| Monday | 81°F | Scattered Rain Showers | 15 mph E | 53% |
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 Aug 4, 2026.