Stinson Beach, CA Weather & Growing Conditions

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

Today

65°F

Mostly Sunny

Mostly sunny, with a high near 65. South southwest wind around 6 mph.

7-day forecast for Stinson Beach

When	Temp	Forecast	Wind	Precip
Today	65°F	Mostly Sunny	6 mph SSW	2%
Tonight	54°F	Patchy Fog then Mostly Cloudy	5 mph SW	3%
Wednesday	64°F	Partly Sunny	5 mph SW	3%
Wednesday Night	55°F	Patchy Fog	0 to 3 mph WSW	0%
Thursday	65°F	Areas Of Fog then Mostly Sunny	0 to 5 mph WSW	0%
Thursday Night	55°F	Mostly Cloudy	5 mph W	0%
Friday	70°F	Mostly Sunny	2 to 7 mph W	0%
Friday Night	56°F	Partly Cloudy	2 to 7 mph W	0%
Saturday	72°F	Mostly Sunny	2 to 7 mph WSW	0%
Saturday Night	58°F	Partly Cloudy	7 mph W	0%
Sunday	70°F	Sunny	7 to 10 mph W	0%
Sunday Night	56°F	Partly Cloudy	10 mph W	0%
Monday	64°F	Mostly Sunny	9 mph SW	0%
Monday Night	55°F	Partly Cloudy	8 mph WSW	0%

Forecast source: National Weather Service (api.weather.gov) for Stinson Beach (37.902, -122.650). Updated through the day.

Growing snapshot for Stinson Beach

Last spring frost

Jan 16

First fall frost

Dec 18

Growing season

334 days

Hardiness zone

10a

More local growing data for Stinson Beach: nearby ZIP 94970 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Alto Belvedere Black Point-Green Point Bolinas Corte Madera Dillon Beach Fairfax Inverness Kentfield Lagunitas-Forest Knolls Larkspur Lucas Valley-Marinwood Marin City Mill Valley Muir Beach Nicasio Novato Petaluma Center Point Reyes Station Ross San Anselmo San Francisco San Geronimo San Rafael Santa Venetia Sausalito Sleepy Hollow Strawberry Tamalpais-Homestead Valley Tiburon

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Climate data from the nearest NOAA station, Kentfield, Ca (6.6 mi from Stinson Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.