Helemano, HI Weather & Growing Conditions
Tonight
70°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 70. North northeast wind 1 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Scattered Rain Showers | 1 to 10 mph NNE | 42% |
| Tuesday | 81°F | Scattered Rain Showers | 1 to 10 mph ENE | 41% |
| Tuesday Night | 70°F | Scattered Rain Showers | 7 to 10 mph E | 41% |
| Wednesday | 81°F | Scattered Rain Showers | 10 mph ENE | 34% |
| Wednesday Night | 70°F | Scattered Rain Showers | 10 mph ENE | 48% |
| Thursday | 81°F | Scattered Rain Showers | 10 mph ENE | 44% |
| Thursday Night | 70°F | Scattered Rain Showers | 13 mph ENE | 49% |
| Friday | 82°F | Scattered Rain Showers | 15 mph ENE | 37% |
| Friday Night | 71°F | Scattered Rain Showers | 15 mph ENE | 47% |
| Saturday | 82°F | Scattered Rain Showers | 16 mph ENE | 33% |
| Saturday Night | 71°F | Chance Rain Showers | 16 mph ENE | 61% |
| Sunday | 82°F | Scattered Rain Showers | 15 mph ENE | 42% |
| Sunday Night | 71°F | Scattered Rain Showers | 15 mph ENE | 53% |
| Monday | 83°F | Scattered Rain Showers | 15 mph ENE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Helemano, HI
Growing season
365 days
Explore more for Helemano, HI: full frost dates · planting calendar · Hawaii frost dates
Climate data from the nearest NOAA station, Upper Wahiawa 874.3, Hi (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.