Harman US

Koloa, HI Weather & Growing Conditions

Overnight
74°F
Scattered Rain Showers
Scattered rain showers. Partly cloudy, with a low around 74. Northeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Scattered Rain Showers 10 mph NE 33%
Tuesday 86°F Scattered Rain Showers 9 to 14 mph NE 44%
Tuesday Night 75°F Scattered Rain Showers 13 mph ENE 51%
Wednesday 86°F Chance Rain Showers 13 mph ENE 55%
Wednesday Night 75°F Scattered Rain Showers 12 mph ENE 48%
Thursday 86°F Scattered Rain Showers 12 mph ENE 51%
Thursday Night 75°F Scattered Rain Showers 13 mph ENE 47%
Friday 87°F Scattered Rain Showers 14 mph ENE 37%
Friday Night 75°F Scattered Rain Showers 14 mph ENE 48%
Saturday 87°F Scattered Rain Showers 16 mph ENE 46%
Saturday Night 75°F Scattered Rain Showers 15 mph ENE 36%
Sunday 87°F Scattered Rain Showers 16 mph ENE 43%
Sunday Night 75°F Scattered Rain Showers 16 mph ENE 38%
Monday 87°F Scattered Rain Showers 15 mph ENE 37%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Koloa, HI

Growing season
365 days

Explore more for Koloa, HI: full frost dates · planting calendar · Hawaii frost dates

Climate data from the nearest NOAA station, Mahaulepu 941.1, Hi (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.