Los Ranchos, CA Weather & Growing Conditions

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

Tonight

55°F

Partly Cloudy

Partly cloudy, with a low around 55. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

7-day forecast for Los Ranchos

When	Temp	Forecast	Wind	Precip
Tonight	55°F	Partly Cloudy	5 to 15 mph NNW	0%
Saturday	84°F	Mostly Sunny	5 to 15 mph NW	0%
Saturday Night	56°F	Patchy Fog	5 to 10 mph N	0%
Sunday	79°F	Patchy Fog then Partly Sunny	5 to 10 mph WNW	2%
Sunday Night	55°F	Patchy Fog	5 to 10 mph NW	2%
Monday	76°F	Patchy Fog then Mostly Sunny	5 to 10 mph WNW	1%
Monday Night	54°F	Partly Cloudy	0 to 10 mph NW	1%
Tuesday	79°F	Sunny	0 to 10 mph WNW	0%
Tuesday Night	57°F	Mostly Clear	0 to 10 mph NNW	0%
Wednesday	88°F	Sunny	0 to 5 mph W	0%
Wednesday Night	61°F	Mostly Clear	0 to 5 mph NE	0%
Thursday	87°F	Sunny	0 to 5 mph SSE	0%
Thursday Night	60°F	Partly Cloudy	0 to 5 mph NNW	1%
Friday	85°F	Mostly Sunny	0 to 5 mph SSW	0%

Forecast source: National Weather Service (api.weather.gov) for Los Ranchos (35.213, -120.628). Updated through the day.

Growing snapshot for Los Ranchos

Last spring frost

Jan 31

First fall frost

Dec 11

Growing season

319 days

Hardiness zone

More local growing data for Los Ranchos: nearby ZIP 93401 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 Morro Bay Nipomo Oceano Pismo Beach San Luis Obispo San Miguel San Simeon Santa Margarita Shandon Templeton Whitley Gardens Woodlands

All California locations ›

Climate data from the nearest NOAA station, San Luis Obispo Ap, Ca (1.4 mi from Los Ranchos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.