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Healdsburg, CA Weather & Growing Conditions

Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. West wind 1 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Mostly Clear 1 to 5 mph W 0%
Saturday 89°F Sunny 1 to 6 mph SSE 0%
Saturday Night 54°F Mostly Cloudy 1 to 5 mph NW 0%
Sunday 83°F Patchy Fog then Partly Sunny 1 to 5 mph S 0%
Sunday Night 52°F Mostly Cloudy then Areas Of Fog 1 to 5 mph WSW 0%
Monday 85°F Areas Of Fog then Mostly Sunny 1 to 6 mph WSW 0%
Monday Night 53°F Mostly Clear then Patchy Fog 1 to 6 mph SW 0%
Tuesday 88°F Areas Of Fog then Sunny 1 to 5 mph SW 0%
Tuesday Night 55°F Mostly Clear 1 to 5 mph NW 0%
Wednesday 93°F Sunny 1 to 6 mph S 0%
Wednesday Night 58°F Mostly Clear 0 to 6 mph NW 0%
Thursday 94°F Sunny 0 to 6 mph S 0%
Thursday Night 58°F Partly Cloudy 1 to 6 mph W 0%
Friday 89°F Mostly Sunny 2 to 7 mph W 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Healdsburg, CA

Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b

Explore more for Healdsburg, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Healdsburg, Ca (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.