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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.

This Afternoon
83°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 83. East wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Helemano

WhenTempForecastWindPrecip
This Afternoon 83°F Scattered Rain Showers 18 mph E 36%
Tonight 73°F Scattered Rain Showers 16 mph E 32%
Saturday 82°F Scattered Rain Showers 16 to 22 mph E 34%
Saturday Night 73°F Scattered Rain Showers 17 mph E 26%
Sunday 82°F Isolated Rain Showers then Partly Sunny 17 mph ENE 23%
Sunday Night 72°F Scattered Rain Showers 16 mph ENE 27%
Monday 82°F Scattered Rain Showers 16 mph ENE 27%
Monday Night 72°F Scattered Rain Showers 13 to 16 mph ENE 46%
Tuesday 82°F Scattered Rain Showers 15 mph ENE 44%
Tuesday Night 72°F Scattered Rain Showers 15 mph ENE 53%
Wednesday 82°F Scattered Rain Showers 16 mph NE 43%
Wednesday Night 72°F Scattered Rain Showers 15 mph NE 45%
Thursday 81°F Scattered Rain Showers 15 mph ENE 49%
Thursday Night 71°F Scattered Rain Showers 15 mph ENE 48%

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 Sep 19, 2026.