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
56°F
Slight Chance Light Rain then Partly Cloudy
A slight chance of rain before 10pm. Partly cloudy, with a low around 56. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cayucos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 30% |
| Wednesday | 66°F | Mostly Sunny | 5 to 15 mph N | 0% |
| Wednesday Night | 58°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Thursday | 68°F | Mostly Sunny | 10 to 15 mph N | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 to 15 mph N | 0% |
| Friday | 70°F | Sunny | 5 to 15 mph N | 0% |
| Friday Night | 60°F | Mostly Clear | 5 to 15 mph NNE | 0% |
| Saturday | 72°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 61°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 72°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 | 0 to 5 mph NNW | 1% |
| Tuesday | 69°F | Sunny | 5 mph NNW | 2% |
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
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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 Nov 4, 2026.