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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.

Overnight
74°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 74. Northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Kapaa

WhenTempForecastWindPrecip
Overnight 74°F Scattered Rain Showers 6 mph NE 35%
Tuesday 86°F Scattered Rain Showers 5 to 8 mph NE 42%
Tuesday Night 74°F Scattered Rain Showers 9 mph ENE 48%
Wednesday 86°F Chance Rain Showers 10 mph ENE 55%
Wednesday Night 74°F Scattered Rain Showers 7 to 10 mph ENE 51%
Thursday 86°F Chance Rain Showers 8 to 12 mph ENE 55%
Thursday Night 74°F Scattered Rain Showers 10 mph ENE 50%
Friday 86°F Scattered Rain Showers 13 mph ENE 43%
Friday Night 75°F Scattered Rain Showers 13 mph ENE 52%
Saturday 86°F Scattered Rain Showers 14 mph ENE 52%
Saturday Night 75°F Scattered Rain Showers 14 mph ENE 40%
Sunday 86°F Scattered Rain Showers 14 mph ENE 48%
Sunday Night 75°F Scattered Rain Showers 13 mph ENE 43%
Monday 87°F Scattered Rain Showers 13 mph ENE 43%

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 Aug 4, 2026.