Harman US

Kapaa, HI Weather & Growing Conditions

This Afternoon
82°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a high near 82. Northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Scattered Rain Showers 15 mph NE 40%
Tonight 73°F Occasional Rain Showers 14 mph NE 88%
Wednesday 83°F Scattered Rain Showers 14 mph NE 28%
Wednesday Night 73°F Scattered Rain Showers 12 mph ENE 28%
Thursday 84°F Scattered Rain Showers 13 mph ENE 48%
Thursday Night 73°F Scattered Rain Showers 14 mph ENE 32%
Friday 84°F Isolated Rain Showers then Partly Sunny 13 to 16 mph NE 24%
Friday Night 73°F Isolated Rain Showers 17 mph NE 16%
Saturday 84°F Isolated Rain Showers 16 mph ENE 21%
Saturday Night 73°F Scattered Rain Showers 16 mph ENE 26%
Sunday 83°F Scattered Rain Showers 17 mph ENE 31%
Sunday Night 72°F Scattered Rain Showers 17 mph ENE 26%
Monday 84°F Scattered Rain Showers 16 mph ENE 30%
Monday Night 72°F Scattered Rain Showers 16 mph ENE 26%

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 (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.