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Waipahu, HI Weather & Growing Conditions

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

Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. East northeast wind 10 to 15 mph, with gusts as high as 21 mph.

7-day forecast for Waipahu

WhenTempForecastWindPrecip
Overnight 72°F Partly Cloudy 10 to 15 mph ENE 11%
Wednesday 83°F Sunny 16 mph ENE 12%
Wednesday Night 73°F Partly Cloudy 15 mph ENE 5%
Thursday 84°F Mostly Sunny 16 mph ENE 5%
Thursday Night 73°F Mostly Cloudy 15 mph ENE 5%
Friday 84°F Mostly Sunny 15 to 18 mph NE 6%
Friday Night 73°F Mostly Cloudy 17 mph NE 5%
Saturday 83°F Mostly Sunny 16 to 20 mph ENE 9%
Saturday Night 72°F Partly Cloudy 17 mph ENE 12%
Sunday 83°F Mostly Sunny 20 mph ENE 10%
Sunday Night 72°F Partly Cloudy 18 mph ENE 12%
Monday 83°F Sunny 17 mph ENE 10%
Monday Night 72°F Partly Cloudy 17 mph ENE 11%
Tuesday 83°F Mostly Sunny 20 mph ENE 9%

Forecast source: National Weather Service (api.weather.gov) for Waipahu (21.385, -158.011). Updated through the day.

Growing snapshot for Waipahu

Growing season
365 days

More local growing data for Waipahu: nearby ZIP 96797 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Upper Wahiawa 874.3, Hi (6.3 mi from Waipahu). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.