Crockett, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Crockett, a community in Contra Costa County, California.

This Afternoon

81°F

Sunny

Sunny. High near 81, with temperatures falling to around 79 in the afternoon. West southwest wind 7 to 12 mph.

7-day forecast for Crockett

When	Temp	Forecast	Wind	Precip
This Afternoon	81°F	Sunny	7 to 12 mph WSW	0%
Tonight	57°F	Mostly Clear	7 to 10 mph SW	0%
Saturday	82°F	Sunny	6 to 10 mph SW	0%
Saturday Night	57°F	Partly Cloudy	9 mph SW	0%
Sunday	74°F	Partly Sunny	10 mph SW	1%
Sunday Night	57°F	Mostly Cloudy	10 mph SW	1%
Monday	75°F	Mostly Sunny	9 to 13 mph SW	0%
Monday Night	57°F	Partly Cloudy	7 to 13 mph SW	0%
Tuesday	77°F	Sunny	7 to 10 mph SW	0%
Tuesday Night	57°F	Mostly Clear	2 to 10 mph SW	0%
Wednesday	88°F	Sunny	2 to 7 mph WSW	0%
Wednesday Night	60°F	Mostly Clear	2 to 7 mph WSW	0%
Thursday	88°F	Sunny	2 to 8 mph WSW	0%
Thursday Night	60°F	Partly Cloudy	8 mph SW	0%

Forecast source: National Weather Service (api.weather.gov) for Crockett (38.052, -122.220). Updated through the day.

Growing snapshot for Crockett

Last spring frost

Jan 17

First fall frost

Dec 27

Growing season

346 days

Hardiness zone

More local growing data for Crockett: nearby ZIP 94525 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Vallejo, Ca (4.3 mi from Crockett). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.