Cayucos, CA Weather & Growing Conditions

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

Tonight

60°F

Partly Cloudy

Partly cloudy, with a low around 60. North northwest wind 5 to 10 mph.

7-day forecast for Cayucos

When	Temp	Forecast	Wind	Precip
Tonight	60°F	Partly Cloudy	5 to 10 mph NNW	0%
Saturday	68°F	Partly Sunny then Patchy Fog	5 to 15 mph WNW	1%
Saturday Night	61°F	Patchy Fog	5 to 10 mph NNW	0%
Sunday	64°F	Patchy Fog then Mostly Cloudy	5 to 10 mph WNW	2%
Sunday Night	61°F	Patchy Fog	5 to 10 mph NW	3%
Monday	63°F	Patchy Fog then Mostly Sunny	5 to 15 mph WNW	0%
Monday Night	56°F	Partly Cloudy	0 to 10 mph NW	0%
Tuesday	68°F	Mostly Sunny	0 to 10 mph NW	0%
Tuesday Night	59°F	Mostly Clear	0 to 10 mph NW	0%
Wednesday	78°F	Sunny	0 to 10 mph NW	0%
Wednesday Night	62°F	Partly Cloudy	0 to 5 mph NNW	0%
Thursday	76°F	Mostly Sunny	0 to 5 mph SW	0%
Thursday Night	61°F	Partly Cloudy	0 to 5 mph N	1%
Friday	74°F	Mostly Sunny	0 to 5 mph WSW	1%

Forecast source: National Weather Service (api.weather.gov) for Cayucos (35.440, -120.890). Updated through the day.

Growing snapshot for Cayucos

Last spring frost

Jan 19

First fall frost

Jan 14

Growing season

365 days

Hardiness zone

10a

More local growing data for Cayucos: nearby ZIP 93430 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Arroyo Grande Atascadero Avila Beach Blacklake California Polytechnic State University Callender Cambria 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 Miguel San Simeon Santa Margarita Shandon Templeton Whitley Gardens Woodlands

All California locations ›

Climate data from the nearest NOAA station, Morro Bay Fire Dept, Ca (9.9 mi from Cayucos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.