Harman US

Volcano, HI Weather & Growing Conditions

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

This Afternoon
71°F
Isolated Rain Showers
Isolated rain showers. Cloudy, with a high near 71. Northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

7-day forecast for Volcano

WhenTempForecastWindPrecip
This Afternoon 71°F Isolated Rain Showers 17 mph NE 16%
Tonight 60°F Mostly Cloudy 10 mph NNE 12%
Sunday 72°F Mostly Sunny 14 mph NNE 3%
Sunday Night 60°F Partly Cloudy then Isolated Rain Showers 13 mph N 20%
Monday 73°F Sunny 16 mph NNE 11%
Monday Night 61°F Scattered Rain Showers 14 mph NNE 31%
Tuesday 70°F Scattered Rain Showers then Mostly Sunny 13 mph NE 27%
Tuesday Night 61°F Scattered Rain Showers 13 mph NNE 31%
Wednesday 69°F Scattered Rain Showers 13 mph NE 26%
Wednesday Night 60°F Scattered Rain Showers 12 mph NNE 35%
Thursday 69°F Scattered Rain Showers 13 mph NNE 31%
Thursday Night 60°F Scattered Rain Showers 14 mph NE 33%
Friday 68°F Isolated Rain Showers 17 mph NE 17%
Friday Night 59°F Scattered Rain Showers 17 to 21 mph NNE 28%

Forecast source: National Weather Service (api.weather.gov) for Volcano (19.486, -155.277). Updated through the day.

Growing snapshot for Volcano

Growing season
365 days

More local growing data for Volcano: nearby ZIP 96785 weather · frost dates · planting calendar · Hawaii frost dates

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Climate data from the nearest NOAA station, Hawaii Vol Np Hq 54, Hi (3.8 mi from Volcano). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.