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
57°F
Mostly Clear
Mostly clear, with a low around 57. North wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Morro Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Clear | 5 mph N | 15% |
| Wednesday | 66°F | Mostly Sunny | 5 to 15 mph NNW | 0% |
| Wednesday Night | 58°F | Mostly Cloudy then Patchy Fog | 10 to 15 mph N | 0% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 10 to 15 mph N | 0% |
| Thursday Night | 59°F | Mostly Clear | 10 to 15 mph N | 0% |
| Friday | 71°F | Sunny | 10 to 15 mph N | 0% |
| Friday Night | 60°F | Mostly Clear | 10 to 15 mph NNE | 0% |
| Saturday | 72°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 60°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 73°F | Sunny | 5 to 10 mph NNW | 0% |
| Sunday Night | 61°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 5 mph N | 0% |
| Monday Night | 60°F | Partly Cloudy | 5 mph NNW | 1% |
| Tuesday | 70°F | Mostly Sunny | 5 mph NNW | 2% |
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
Santa Margarita
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 Nov 4, 2026.