Morro Bay, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Morro Bay, a city in San Luis Obispo County, California.

Overnight

54°F

Patchy Fog

Patchy fog after 5am. Cloudy, with a low around 54. West southwest wind around 0 mph.

7-day forecast for Morro Bay

When	Temp	Forecast	Wind	Precip
Overnight	54°F	Patchy Fog	0 mph	0%
Tuesday	61°F	Patchy Fog	0 to 5 mph W	0%
Tuesday Night	55°F	Patchy Fog	0 to 5 mph WNW	0%
Wednesday	62°F	Patchy Fog	0 to 10 mph W	0%
Wednesday Night	56°F	Patchy Fog	0 to 5 mph WNW	0%
Thursday	64°F	Patchy Fog	0 to 5 mph WNW	0%
Thursday Night	55°F	Patchy Fog	0 to 5 mph WNW	0%
Friday	62°F	Patchy Fog then Partly Sunny	0 to 5 mph WNW	0%
Friday Night	57°F	Partly Cloudy	0 to 5 mph NW	0%
Saturday	63°F	Mostly Sunny	0 to 5 mph W	0%
Saturday Night	57°F	Partly Cloudy	0 to 5 mph NW	0%
Sunday	63°F	Mostly Sunny	0 to 10 mph WNW	0%
Sunday Night	56°F	Partly Cloudy	0 to 10 mph NW	1%
Monday	59°F	Mostly Sunny	0 to 10 mph WNW	1%

Forecast source: National Weather Service (api.weather.gov) for Morro Bay (35.367, -120.868). Updated through the day.

Growing snapshot for Morro Bay

Last spring frost

Jan 19

First fall frost

Jan 14

Growing season

365 days

Hardiness zone

More local growing data for Morro Bay: nearby ZIP 93442 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 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 (3.5 mi from Morro Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.