San Miguel, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for San Miguel, a community in San Luis Obispo County, California.

This Afternoon

92°F

Mostly Sunny

Mostly sunny, with a high near 92. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

7-day forecast for San Miguel

When	Temp	Forecast	Wind	Precip
This Afternoon	92°F	Mostly Sunny	5 to 10 mph WNW	0%
Tonight	54°F	Mostly Cloudy	5 to 15 mph NW	0%
Sunday	89°F	Mostly Cloudy	5 to 10 mph WNW	1%
Sunday Night	53°F	Mostly Cloudy	5 to 10 mph WNW	5%
Monday	86°F	Mostly Sunny	5 to 10 mph WSW	1%
Monday Night	52°F	Partly Cloudy	0 to 10 mph WSW	0%
Tuesday	89°F	Mostly Sunny	0 to 10 mph W	0%
Tuesday Night	55°F	Clear	0 to 5 mph NW	0%
Wednesday	98°F	Sunny	0 mph	0%
Wednesday Night	59°F	Mostly Clear	0 mph	0%
Thursday	99°F	Sunny	0 to 10 mph S	0%
Thursday Night	57°F	Mostly Clear	0 to 10 mph S	1%
Friday	91°F	Sunny	0 to 10 mph SSW	1%
Friday Night	54°F	Mostly Clear	0 to 10 mph W	1%

Forecast source: National Weather Service (api.weather.gov) for San Miguel (35.753, -120.692). Updated through the day.

Growing snapshot for San Miguel

Last spring frost

Mar 15

First fall frost

Nov 10

Growing season

238 days

Hardiness zone

More local growing data for San Miguel: nearby ZIP 93446 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Arroyo Grande Atascadero Avila Beach Blacklake California Polytechnic State University Callender Cambria Cayucos Creston Edna El Paso de Robles (Paso Robles) Garden Farms Grover Beach Los Berros Los Osos Los Ranchos Morro Bay Nipomo Oceano Pismo Beach San Luis Obispo San Simeon Santa Margarita Shandon Templeton Whitley Gardens Woodlands

All California locations ›

Climate data from the nearest NOAA station, Paso Robles, Ca (2.8 mi from San Miguel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.