Helemano, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Helemano, a community in Honolulu County, Hawaii.
Overnight
70°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 70. East northeast wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Helemano
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Scattered Rain Showers | 16 to 22 mph ENE | 54% |
| Wednesday | 79°F | Scattered Rain Showers | 22 mph ENE | 38% |
| Wednesday Night | 71°F | Scattered Rain Showers | 22 mph ENE | 37% |
| Thursday | 80°F | Scattered Rain Showers | 18 to 22 mph ENE | 28% |
| Thursday Night | 71°F | Scattered Rain Showers | 18 to 22 mph ENE | 37% |
| Friday | 79°F | Scattered Rain Showers | 22 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 | 70°F | Scattered Rain Showers | 18 mph ENE | 31% |
| Tuesday | 79°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
Nearby towns & communities
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East Honolulu
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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.