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Inverness, CA Weather & Growing Conditions

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

Today
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 61 in the afternoon. West northwest wind 5 to 12 mph, with gusts as high as 22 mph.

7-day forecast for Inverness

WhenTempForecastWindPrecip
Today 68°F Sunny 5 to 12 mph WNW 0%
Tonight 54°F Mostly Cloudy 8 to 12 mph WNW 1%
Sunday 63°F Partly Sunny 6 to 10 mph WNW 0%
Sunday Night 54°F Mostly Cloudy 5 to 9 mph WNW 0%
Monday 63°F Mostly Sunny 3 to 8 mph W 1%
Monday Night 54°F Mostly Cloudy 2 to 8 mph W 1%
Tuesday 65°F Mostly Sunny 2 to 10 mph WNW 0%
Tuesday Night 53°F Mostly Clear 3 to 10 mph NW 0%
Wednesday 73°F Mostly Sunny 2 to 10 mph NW 0%
Wednesday Night 56°F Partly Cloudy 3 to 10 mph NW 0%
Thursday 75°F Mostly Sunny 2 to 10 mph NW 0%
Thursday Night 57°F Partly Cloudy 6 to 10 mph NW 0%
Friday 70°F Mostly Sunny 6 to 12 mph WNW 1%
Friday Night 56°F Partly Cloudy 6 to 12 mph WNW 2%

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 Sep 19, 2026.