Waimanalo, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waimanalo, a community in Honolulu County, Hawaii.
Today
84°F
Isolated Rain Showers then Mostly Sunny
Isolated rain showers before noon. Mostly sunny, with a high near 84. East northeast wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
7-day forecast for Waimanalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Isolated Rain Showers then Mostly Sunny | 22 mph ENE | 17% |
| Tonight | 78°F | Partly Cloudy | 20 mph ENE | 8% |
| Sunday | 83°F | Sunny | 22 mph ENE | 5% |
| Sunday Night | 77°F | Partly Cloudy | 22 mph ENE | 5% |
| Monday | 83°F | Mostly Sunny | 22 mph NE | 6% |
| Monday Night | 78°F | Partly Cloudy then Isolated Rain Showers | 21 mph ENE | 17% |
| Tuesday | 84°F | Isolated Rain Showers then Mostly Sunny | 20 mph ENE | 20% |
| Tuesday Night | 77°F | Isolated Rain Showers | 21 mph ENE | 24% |
| Wednesday | 83°F | Isolated Rain Showers | 22 mph ENE | 23% |
| Wednesday Night | 77°F | Scattered Rain Showers | 21 mph ENE | 26% |
| Thursday | 83°F | Scattered Rain Showers | 21 mph ENE | 25% |
| Thursday Night | 76°F | Isolated Rain Showers | 22 mph ENE | 19% |
| Friday | 83°F | Isolated Rain Showers then Mostly Cloudy | 23 mph ENE | 19% |
| Friday Night | 76°F | Mostly Cloudy then Isolated Rain Showers | 25 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Waimanalo (21.342, -157.730). Updated through the day.
Growing snapshot for Waimanalo
Growing season
365 days
More local growing data for Waimanalo: nearby ZIP 96795 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Waimanalo Exp F 795.1, Hi (0 mi from Waimanalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.