Waialua, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waialua, a community in Honolulu County, Hawaii.
Overnight
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 71. East northeast wind 9 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Waialua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Scattered Rain Showers | 9 to 20 mph ENE | 38% |
| Wednesday | 83°F | Isolated Rain Showers | 9 to 21 mph ENE | 24% |
| Wednesday Night | 72°F | Isolated Rain Showers then Partly Cloudy | 10 to 20 mph ENE | 16% |
| Thursday | 84°F | Mostly Sunny | 14 mph ENE | 7% |
| Thursday Night | 72°F | Mostly Cloudy | 13 mph ENE | 9% |
| Friday | 84°F | Mostly Sunny | 13 to 18 mph ENE | 7% |
| Friday Night | 72°F | Mostly Cloudy | 17 mph ENE | 5% |
| Saturday | 83°F | Mostly Sunny | 18 mph ENE | 11% |
| Saturday Night | 71°F | Partly Cloudy | 16 mph ENE | 13% |
| Sunday | 83°F | Mostly Sunny | 15 to 22 mph ENE | 13% |
| Sunday Night | 71°F | Partly Cloudy | 15 to 22 mph ENE | 13% |
| Monday | 83°F | Mostly Sunny | 16 mph ENE | 13% |
| Monday Night | 70°F | Partly Cloudy | 15 mph ENE | 13% |
| Tuesday | 83°F | Mostly Sunny | 14 to 18 mph ENE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Waialua (21.567, -158.121). Updated through the day.
Growing snapshot for Waialua
Growing season
365 days
More local growing data for Waialua: nearby ZIP 96791 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Makaha Ctry Club 800.3, Hi (5.9 mi from Waialua). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.