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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
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North northwest wind 5 to 10 mph.

7-day forecast for Cayucos

WhenTempForecastWindPrecip
Tonight 60°F Partly Cloudy 5 to 10 mph NNW 0%
Saturday 68°F Partly Sunny then Patchy Fog 5 to 15 mph WNW 1%
Saturday Night 61°F Patchy Fog 5 to 10 mph NNW 0%
Sunday 64°F Patchy Fog then Mostly Cloudy 5 to 10 mph WNW 2%
Sunday Night 61°F Patchy Fog 5 to 10 mph NW 3%
Monday 63°F Patchy Fog then Mostly Sunny 5 to 15 mph WNW 0%
Monday Night 56°F Partly Cloudy 0 to 10 mph NW 0%
Tuesday 68°F Mostly Sunny 0 to 10 mph NW 0%
Tuesday Night 59°F Mostly Clear 0 to 10 mph NW 0%
Wednesday 78°F Sunny 0 to 10 mph NW 0%
Wednesday Night 62°F Partly Cloudy 0 to 5 mph NNW 0%
Thursday 76°F Mostly Sunny 0 to 5 mph SW 0%
Thursday Night 61°F Partly Cloudy 0 to 5 mph N 1%
Friday 74°F Mostly Sunny 0 to 5 mph WSW 1%

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 Sep 19, 2026.