Harman US

Waimanalo, HI Weather & Growing Conditions

Overnight
75°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 75. Northeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 75°F Scattered Rain Showers 7 mph NE 38%
Tuesday 82°F Scattered Rain Showers 7 to 13 mph ENE 42%
Tuesday Night 75°F Scattered Rain Showers 13 mph ENE 52%
Wednesday 82°F Scattered Rain Showers 12 to 15 mph ENE 39%
Wednesday Night 75°F Scattered Rain Showers 14 mph ENE 49%
Thursday 82°F Scattered Rain Showers 15 mph ENE 45%
Thursday Night 76°F Scattered Rain Showers 17 mph ENE 49%
Friday 82°F Scattered Rain Showers 18 mph ENE 38%
Friday Night 76°F Scattered Rain Showers 18 mph ENE 45%
Saturday 82°F Scattered Rain Showers 21 mph ENE 32%
Saturday Night 76°F Scattered Rain Showers 21 mph ENE 49%
Sunday 82°F Scattered Rain Showers 21 mph ENE 44%
Sunday Night 76°F Scattered Rain Showers 17 to 21 mph ENE 45%
Monday 82°F Scattered Rain Showers then Partly Sunny 18 mph ENE 38%

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

Growing snapshot for Waimanalo, HI

Growing season
365 days

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

Climate data from the nearest NOAA station, Waimanalo Exp F 795.1, Hi (0 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.