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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.

This Afternoon
77°F
Sunny
Sunny, with a high near 77. Northwest wind around 15 mph.

7-day forecast for Grover Beach

WhenTempForecastWindPrecip
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

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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.