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Helemano, HI Weather & Growing Conditions

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

Tonight
70°F
Occasional Rain Showers
Occasional rain showers. Mostly cloudy, with a low around 70. East northeast wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Helemano

WhenTempForecastWindPrecip
Tonight 70°F Occasional Rain Showers 14 to 18 mph ENE 82%
Wednesday 79°F Scattered Rain Showers 18 mph ENE 38%
Wednesday Night 71°F Scattered Rain Showers 17 mph ENE 37%
Thursday 79°F Scattered Rain Showers 17 mph ENE 28%
Thursday Night 71°F Scattered Rain Showers 16 to 20 mph ENE 37%
Friday 79°F Scattered Rain Showers 21 mph ENE 31%
Friday Night 71°F Scattered Rain Showers 22 mph ENE 25%
Saturday 79°F Partly Sunny then Isolated Rain Showers 21 mph ENE 24%
Saturday Night 70°F Scattered Rain Showers 20 mph ENE 34%
Sunday 79°F Scattered Rain Showers 22 mph ENE 30%
Sunday Night 70°F Scattered Rain Showers 21 mph ENE 34%
Monday 79°F Scattered Rain Showers 20 mph ENE 30%
Monday Night 69°F Scattered Rain Showers 18 mph ENE 31%
Tuesday 78°F Scattered Rain Showers 21 mph ENE 26%

Forecast source: National Weather Service (api.weather.gov) for Helemano (21.536, -158.019). Updated through the day.

Growing snapshot for Helemano

Growing season
365 days

More local growing data for Helemano: nearby ZIP 96786 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Upper Wahiawa 874.3, Hi (2.7 mi from Helemano). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.