Harman US

Kapaa, HI Weather & Growing Conditions

Overnight
76°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 76. East northeast wind around 7 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 76°F Scattered Rain Showers 7 mph ENE 27%
Tuesday 85°F Scattered Rain Showers 7 to 10 mph ENE 36%
Tuesday Night 76°F Scattered Rain Showers 10 mph ENE 46%
Wednesday 85°F Scattered Rain Showers 12 mph ENE 48%
Wednesday Night 76°F Scattered Rain Showers 12 mph ENE 45%
Thursday 85°F Scattered Rain Showers 12 mph ENE 45%
Thursday Night 77°F Scattered Rain Showers 12 mph ENE 43%
Friday 86°F Scattered Rain Showers 13 mph ENE 38%
Friday Night 77°F Scattered Rain Showers 13 mph ENE 48%
Saturday 86°F Scattered Rain Showers 14 mph ENE 45%
Saturday Night 77°F Scattered Rain Showers 14 mph ENE 35%
Sunday 86°F Scattered Rain Showers 15 mph ENE 39%
Sunday Night 77°F Scattered Rain Showers 15 mph ENE 34%
Monday 86°F Scattered Rain Showers 14 mph ENE 35%

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 Aug 4, 2026.