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.
Tonight
62°F
Patchy Fog
Patchy fog after 11pm. Mostly cloudy, with a low around 62. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
7-day forecast for Morro Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Patchy Fog | 5 to 15 mph NW | 0% |
| Saturday | 67°F | Patchy Fog | 5 to 15 mph NW | 1% |
| Saturday Night | 63°F | Patchy Fog | 5 to 10 mph NW | 0% |
| Sunday | 64°F | Patchy Fog then Cloudy | 5 to 10 mph NW | 2% |
| Sunday Night | 63°F | Patchy Fog | 5 to 10 mph NW | 3% |
| Monday | 63°F | Patchy Fog then Partly Sunny | 5 to 15 mph NW | 1% |
| Monday Night | 56°F | Mostly Cloudy | 5 to 10 mph NW | 1% |
| Tuesday | 62°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 10 mph NW | 0% |
| Wednesday | 69°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Thursday | 68°F | Mostly Sunny | 5 mph W | 0% |
| Thursday Night | 60°F | Mostly Cloudy | 0 to 5 mph NNW | 1% |
| Friday | 67°F | Partly Sunny | 0 to 5 mph NW | 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
9b
More local growing data for Morro Bay: nearby ZIP 93442 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Atascadero
Avila Beach
Blacklake
California Polytechnic State University
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Cambria
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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
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Shandon
Templeton
Whitley Gardens
Woodlands
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 Sep 19, 2026.