Morro Bay, CA Weather & Growing Conditions
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 78°F | Mostly Sunny then Patchy Fog | 5 to 10 mph NW | 1% |
| Saturday Night | 59°F | Patchy Fog | 5 mph NNW | 0% |
| Sunday | 73°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph WNW | 2% |
| Sunday Night | 58°F | Patchy Fog | 5 mph WNW | 3% |
| Monday | 69°F | Patchy Fog then Mostly Sunny | 5 to 10 mph WNW | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 10 mph WNW | 0% |
| Tuesday | 72°F | Sunny | 0 to 10 mph NNW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 85°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Thursday | 83°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Morro Bay, CA
Last spring frost
Jan 19
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
9b
Explore more for Morro Bay, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Morro Bay Fire Dept, Ca (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.