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.

Today

71°F

Patchy Fog then Mostly Sunny

Patchy fog before 10am. Mostly sunny, with a high near 71. North northeast wind 0 to 10 mph.

7-day forecast for San Miguel

When	Temp	Forecast	Wind	Precip
Today	71°F	Patchy Fog then Mostly Sunny	0 to 10 mph NNE	0%
Tonight	45°F	Mostly Cloudy	5 to 10 mph N	0%
Thursday	75°F	Mostly Sunny	5 to 10 mph NNE	0%
Thursday Night	43°F	Mostly Clear	5 to 10 mph NE	0%
Friday	79°F	Sunny	5 mph NE	0%
Friday Night	46°F	Mostly Clear	5 to 10 mph NE	0%
Saturday	83°F	Sunny	0 to 5 mph E	0%
Saturday Night	47°F	Mostly Clear	0 to 5 mph NNE	0%
Sunday	81°F	Sunny	0 to 5 mph NE	0%
Sunday Night	49°F	Mostly Clear	0 to 5 mph NE	0%
Monday	80°F	Mostly Sunny	0 to 5 mph NNW	0%
Monday Night	47°F	Partly Cloudy	0 to 5 mph NNW	1%
Tuesday	77°F	Sunny	0 to 5 mph NNE	1%
Tuesday Night	47°F	Mostly Clear	0 to 5 mph E	5%

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 Nov 4, 2026.