Occidental, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Occidental, a community in Sonoma County, California.
This Afternoon
59°F
Light Rain
Rain. Mostly cloudy. High near 59, with temperatures falling to around 54 in the afternoon. South southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Occidental
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 7 mph SSE | 91% |
| Tonight | 47°F | Chance Light Rain then Mostly Cloudy | 3 to 8 mph NE | 32% |
| Wednesday | 65°F | Patchy Fog then Sunny | 2 to 10 mph NW | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 to 9 mph NW | 0% |
| Thursday | 70°F | Sunny | 2 to 7 mph NW | 0% |
| Thursday Night | 46°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Friday | 72°F | Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 48°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Saturday | 74°F | Sunny | 0 to 6 mph NNE | 0% |
| Saturday Night | 49°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Sunday | 73°F | Mostly Sunny | 0 to 6 mph NNW | 0% |
| Sunday Night | 49°F | Mostly Cloudy | 1 to 6 mph NW | 0% |
| Monday | 70°F | Partly Sunny | 1 to 8 mph WNW | 6% |
| Monday Night | 48°F | Mostly Cloudy | 0 to 8 mph NW | 6% |
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 Nov 4, 2026.