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Occidental, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Occidental, a community in Sonoma County, California.

Overnight
52°F
Haze
Haze. Partly cloudy, with a low around 52. Southwest wind around 1 mph.

7-day forecast for Occidental

WhenTempForecastWindPrecip
Overnight 52°F Haze 1 mph SW 0%
Tuesday 87°F Haze then Sunny 1 to 9 mph SW 1%
Tuesday Night 51°F Areas Of Fog 0 to 6 mph SSW 1%
Wednesday 81°F Areas Of Fog then Mostly Sunny 0 to 9 mph SSW 0%
Wednesday Night 51°F Areas Of Fog 0 to 7 mph SW 0%
Thursday 78°F Patchy Fog then Mostly Sunny 0 to 8 mph WSW 0%
Thursday Night 52°F Patchy Fog then Partly Cloudy 0 to 8 mph NW 0%
Friday 86°F Sunny 0 to 8 mph W 0%
Friday Night 54°F Partly Cloudy 0 to 8 mph NW 0%
Saturday 85°F Sunny 0 to 8 mph W 0%
Saturday Night 56°F Mostly Clear 2 to 8 mph W 0%
Sunday 87°F Sunny 2 to 10 mph W 0%
Sunday Night 54°F Mostly Clear then Patchy Fog 1 to 10 mph W 0%
Monday 79°F Sunny 1 to 9 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Occidental (38.400, -122.935). Updated through the day.

Growing snapshot for Occidental

Last spring frost
Jan 29
First fall frost
Dec 30
Growing season
347 days
Hardiness zone
9b

More local growing data for Occidental: nearby ZIP 95419 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Occidental, Ca (2.6 mi from Occidental). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.