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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.

Today
62°F
Patchy Fog then Partly Sunny
Patchy fog before 11am. Partly sunny, with a high near 62. Southwest wind 0 to 5 mph.

7-day forecast for Cayucos

WhenTempForecastWindPrecip
Today 62°F Patchy Fog then Partly Sunny 0 to 5 mph SW 0%
Tonight 54°F Patchy Fog 0 to 5 mph W 0%
Wednesday 63°F Patchy Fog then Partly Sunny 0 to 10 mph WSW 0%
Wednesday Night 56°F Patchy Fog 0 to 5 mph WNW 0%
Thursday 65°F Patchy Fog then Mostly Sunny 0 to 5 mph WNW 0%
Thursday Night 55°F Patchy Fog 0 to 5 mph WNW 0%
Friday 68°F Patchy Fog then Mostly Sunny 0 to 5 mph WNW 0%
Friday Night 58°F Partly Cloudy 0 to 5 mph WNW 0%
Saturday 71°F Mostly Sunny 0 to 5 mph W 0%
Saturday Night 58°F Partly Cloudy 0 to 5 mph WNW 0%
Sunday 70°F Mostly Sunny 0 to 10 mph W 0%
Sunday Night 56°F Partly Cloudy 0 to 10 mph NW 1%
Monday 66°F Mostly Sunny 0 to 10 mph WSW 1%
Monday Night 55°F Partly Cloudy 0 to 10 mph WNW 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

Nearby towns & communities

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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 Aug 4, 2026.