Inverness, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Inverness, a community in Marin County, California.
Tonight
49°F
Chance Light Rain then Partly Cloudy
A chance of rain before 10pm. Partly cloudy, with a low around 49. East wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Inverness
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Light Rain then Partly Cloudy | 5 to 8 mph E | 27% |
| Wednesday | 62°F | Sunny | 3 to 13 mph N | 2% |
| Wednesday Night | 51°F | Mostly Cloudy | 6 to 12 mph NW | 2% |
| Thursday | 66°F | Mostly Sunny | 5 to 8 mph NW | 0% |
| Thursday Night | 49°F | Mostly Clear | 3 to 8 mph NNW | 0% |
| Friday | 67°F | Sunny | 2 to 7 mph NNW | 0% |
| Friday Night | 49°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Saturday | 70°F | Sunny | 2 to 7 mph N | 0% |
| Saturday Night | 51°F | Mostly Clear | 7 mph NW | 0% |
| Sunday | 69°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 3 to 8 mph NW | 0% |
| Monday | 67°F | Partly Sunny | 3 to 9 mph NW | 2% |
| Monday Night | 52°F | Partly Cloudy | 3 to 9 mph NW | 2% |
| Tuesday | 67°F | Sunny | 2 to 7 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Inverness (38.083, -122.855). Updated through the day.
Growing snapshot for Inverness
Last spring frost
Jan 11
First fall frost
Dec 21
Growing season
349 days
Hardiness zone
9b
More local growing data for Inverness: nearby ZIP 94956 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, San Rafael Civic Ctr, Ca (15.4 mi from Inverness). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.