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Kapaa, HI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Kapaa, a community in Kauai County, Hawaii.

Today
82°F
Chance Rain Showers
A chance of 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 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Kapaa

WhenTempForecastWindPrecip
Today 82°F Chance Rain Showers 15 mph NE 74%
Tonight 73°F Chance Rain Showers 14 mph NE 60%
Wednesday 83°F Rain Showers Likely 14 mph NE 55%
Wednesday Night 73°F Scattered Rain Showers 12 mph ENE 38%
Thursday 84°F Scattered Rain Showers 13 mph ENE 45%
Thursday Night 73°F Scattered Rain Showers 14 mph ENE 40%
Friday 84°F Scattered Rain Showers 13 to 16 mph NE 42%
Friday Night 73°F Scattered Rain Showers 17 mph NE 33%
Saturday 84°F Scattered Rain Showers 16 mph ENE 37%
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) for Kapaa (22.088, -159.352). Updated through the day.

Growing snapshot for Kapaa

Growing season
365 days

More local growing data for Kapaa: nearby ZIP 96746 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Lihue Wso Ap 1020.1, Hi (7.6 mi from Kapaa). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.