Waimalu, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waimalu, a community in Honolulu County, Hawaii.
Today
84°F
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 84. East northeast wind 12 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Waimalu
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Chance Rain Showers | 12 to 17 mph ENE | 55% |
| Tonight | 73°F | Scattered Rain Showers | 15 mph ENE | 40% |
| Wednesday | 84°F | Scattered Rain Showers | 15 to 20 mph ENE | 32% |
| Wednesday Night | 74°F | Scattered Rain Showers | 17 mph ENE | 26% |
| Thursday | 84°F | Isolated Rain Showers then Partly Sunny | 15 to 18 mph ENE | 24% |
| Thursday Night | 73°F | Isolated Rain Showers | 15 to 18 mph ENE | 22% |
| Friday | 84°F | Isolated Rain Showers then Partly Sunny | 20 mph NE | 20% |
| Friday Night | 73°F | Scattered Rain Showers | 20 mph NE | 26% |
| Saturday | 84°F | Isolated Rain Showers then Partly Sunny | 20 mph ENE | 22% |
| Saturday Night | 73°F | Partly Cloudy then Isolated Rain Showers | 18 mph ENE | 21% |
| Sunday | 84°F | Isolated Rain Showers then Mostly Sunny | 21 mph ENE | 19% |
| Sunday Night | 73°F | Partly Cloudy then Isolated Rain Showers | 20 mph ENE | 21% |
| Monday | 84°F | Isolated Rain Showers then Mostly Sunny | 18 mph ENE | 19% |
| Monday Night | 73°F | Partly Cloudy then Isolated Rain Showers | 17 mph ENE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Waimalu (21.391, -157.933). Updated through the day.
Growing snapshot for Waimalu
Growing season
365 days
More local growing data for Waimalu: nearby ZIP 96860 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Honolulu Intl Ap, Hi (2.6 mi from Waimalu). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.