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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
67°F
Patchy Fog then Partly Sunny
Patchy fog before 11am. Partly sunny, with a high near 67. West southwest wind 5 to 10 mph.

7-day forecast for Grover Beach

WhenTempForecastWindPrecip
Today 67°F Patchy Fog then Partly Sunny 5 to 10 mph WSW 1%
Tonight 56°F Patchy Fog 0 to 5 mph W 1%
Wednesday 68°F Patchy Fog then Mostly Sunny 0 to 10 mph WNW 0%
Wednesday Night 58°F Patchy Fog 0 to 5 mph NW 0%
Thursday 69°F Patchy Fog then Mostly Sunny 0 to 10 mph WNW 0%
Thursday Night 58°F Patchy Fog 0 to 10 mph NW 0%
Friday 68°F Patchy Fog then Mostly Sunny 0 to 5 mph W 0%
Friday Night 59°F Partly Cloudy 0 to 5 mph WNW 0%
Saturday 69°F Mostly Sunny 0 to 5 mph W 0%
Saturday Night 59°F Partly Cloudy 0 to 5 mph WNW 0%
Sunday 69°F Mostly Sunny 0 to 5 mph W 0%
Sunday Night 58°F Partly Cloudy 0 to 5 mph NW 1%
Monday 67°F Mostly Sunny 0 to 10 mph WNW 1%
Monday Night 56°F Partly Cloudy 0 to 10 mph NW 1%

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

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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 Aug 4, 2026.