Belvedere, CA Weather & Growing Conditions

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

Overnight

56°F

Mostly Clear

Mostly clear, with a low around 56. Southwest wind around 3 mph.

7-day forecast for Belvedere

When	Temp	Forecast	Wind	Precip
Overnight	56°F	Mostly Clear	3 mph SW	0%
Saturday	78°F	Sunny	3 to 10 mph SSW	0%
Saturday Night	56°F	Partly Cloudy	6 mph SW	0%
Sunday	69°F	Mostly Cloudy	5 to 8 mph SW	1%
Sunday Night	55°F	Mostly Cloudy	6 mph WSW	1%
Monday	70°F	Mostly Sunny	5 to 9 mph SW	1%
Monday Night	56°F	Partly Cloudy	5 to 8 mph SW	1%
Tuesday	72°F	Mostly Sunny	5 to 10 mph SW	0%
Tuesday Night	57°F	Mostly Clear	1 to 10 mph SW	0%
Wednesday	76°F	Patchy Fog then Sunny	0 to 7 mph SW	0%
Wednesday Night	59°F	Partly Cloudy	0 to 7 mph WNW	0%
Thursday	77°F	Sunny	0 to 9 mph W	0%
Thursday Night	59°F	Partly Cloudy	5 to 9 mph WSW	0%
Friday	72°F	Mostly Sunny	5 to 12 mph SW	0%

Forecast source: National Weather Service (api.weather.gov) for Belvedere (37.874, -122.471). Updated through the day.

Growing snapshot for Belvedere

Last spring frost

Jan 4

First fall frost

Jan 2

Growing season

365 days

Hardiness zone

10a

More local growing data for Belvedere: nearby ZIP 94920 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Richmond, Ca (5.2 mi from Belvedere). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.