Grover Beach, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Grover Beach, a city in San Luis Obispo County, California.

This Afternoon

77°F

Sunny

Sunny, with a high near 77. Northwest wind around 15 mph.

7-day forecast for Grover Beach

When	Temp	Forecast	Wind	Precip
This Afternoon	77°F	Sunny	15 mph NW	0%
Tonight	54°F	Patchy Fog	5 to 15 mph NW	0%
Saturday	77°F	Patchy Fog then Mostly Sunny	5 to 15 mph NW	1%
Saturday Night	55°F	Patchy Fog	5 to 10 mph NNW	0%
Sunday	74°F	Patchy Fog then Mostly Cloudy	5 to 10 mph WNW	2%
Sunday Night	55°F	Patchy Fog	5 to 10 mph NW	2%
Monday	71°F	Patchy Fog then Mostly Sunny	5 to 15 mph WNW	1%
Monday Night	56°F	Partly Cloudy	0 to 10 mph NW	1%
Tuesday	68°F	Mostly Sunny	0 to 10 mph WNW	0%
Tuesday Night	57°F	Mostly Clear	0 to 10 mph NNW	0%
Wednesday	75°F	Sunny	0 to 5 mph NNW	0%
Wednesday Night	60°F	Mostly Clear	0 to 5 mph NNE	0%
Thursday	75°F	Mostly Sunny	0 to 5 mph W	0%
Thursday Night	60°F	Partly Cloudy	0 to 5 mph NNW	0%

Forecast source: National Weather Service (api.weather.gov) for Grover Beach (35.121, -120.620). Updated through the day.

Growing snapshot for Grover Beach

Last spring frost

Feb 1

First fall frost

Jan 4

Growing season

362 days

Hardiness zone

10a

More local growing data for Grover Beach: nearby ZIP 93433 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Arroyo Grande Atascadero Avila Beach Blacklake California Polytechnic State University Callender Cambria Cayucos Creston Edna El Paso de Robles (Paso Robles) Garden Farms Los Berros Los Osos Los Ranchos Morro Bay Nipomo Oceano Pismo Beach San Luis Obispo San Miguel San Simeon Santa Margarita Shandon Templeton Whitley Gardens Woodlands

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Climate data from the nearest NOAA station, Pismo Beach, Ca (4.5 mi from Grover Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.