Harman US

Waialua, HI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Waialua, a community in Honolulu County, Hawaii.

Tonight
74°F
Mostly Cloudy
Mostly cloudy, with a low around 74. East wind around 10 mph.

7-day forecast for Waialua

WhenTempForecastWindPrecip
Tonight 74°F Mostly Cloudy 10 mph E 7%
Saturday 87°F Partly Sunny 18 mph E 4%
Saturday Night 74°F Mostly Cloudy 14 mph E 5%
Sunday 87°F Partly Sunny 15 mph ENE 2%
Sunday Night 74°F Mostly Cloudy 13 mph ENE 0%
Monday 87°F Mostly Sunny 13 mph ENE 2%
Monday Night 74°F Mostly Cloudy 12 mph ENE 7%
Tuesday 87°F Mostly Sunny 12 mph ENE 6%
Tuesday Night 73°F Mostly Cloudy 10 mph ENE 8%
Wednesday 87°F Partly Sunny 14 mph NE 9%
Wednesday Night 73°F Mostly Cloudy 10 mph ENE 14%
Thursday 86°F Partly Sunny 12 mph ENE 12%
Thursday Night 72°F Mostly Cloudy 14 mph ENE 10%
Friday 86°F Partly Sunny 14 mph ENE 9%

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

Nearby towns & communities

All Hawaii locations ›

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 Sep 19, 2026.