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.

Today

76°F

Mostly Sunny

Mostly sunny, with a high near 76. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

7-day forecast for Grover Beach

When	Temp	Forecast	Wind	Precip
Today	76°F	Mostly Sunny	10 to 15 mph WNW	1%
Tonight	56°F	Patchy Fog	5 to 10 mph NNW	1%
Sunday	73°F	Patchy Fog then Partly Sunny	5 to 10 mph WNW	1%
Sunday Night	56°F	Patchy Fog	5 to 10 mph NW	1%
Monday	63°F	Partly Sunny	5 to 15 mph WNW	0%
Monday Night	56°F	Patchy Fog	0 to 10 mph NW	0%
Tuesday	65°F	Patchy Fog then Mostly Sunny	0 to 10 mph NW	0%
Tuesday Night	57°F	Partly Cloudy then Patchy Fog	0 to 10 mph NNW	0%
Wednesday	73°F	Patchy Fog then Mostly Sunny	0 to 5 mph NW	0%
Wednesday Night	59°F	Mostly Clear	0 to 5 mph N	0%
Thursday	73°F	Mostly Sunny	0 to 5 mph WSW	0%
Thursday Night	58°F	Partly Cloudy	0 to 5 mph N	1%
Friday	70°F	Mostly Sunny	0 to 5 mph SW	1%
Friday Night	58°F	Partly Cloudy	0 to 5 mph WNW	3%

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.