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Crockett, CA Weather & Growing Conditions

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

Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. Southwest wind around 9 mph.

7-day forecast for Crockett

WhenTempForecastWindPrecip
Overnight 57°F Mostly Clear 9 mph SW 0%
Tuesday 85°F Haze then Sunny 8 to 13 mph SW 0%
Tuesday Night 57°F Mostly Clear 12 mph SW 0%
Wednesday 83°F Mostly Sunny 12 mph WSW 0%
Wednesday Night 57°F Mostly Clear 8 to 12 mph WSW 0%
Thursday 84°F Sunny 8 to 12 mph WSW 0%
Thursday Night 58°F Mostly Clear 8 to 12 mph WSW 0%
Friday 90°F Sunny 7 to 10 mph SW 0%
Friday Night 59°F Mostly Clear 8 to 12 mph SW 0%
Saturday 86°F Sunny 7 to 12 mph SW 0%
Saturday Night 60°F Mostly Clear 12 mph SW 0%
Sunday 82°F Sunny 9 to 13 mph SW 0%
Sunday Night 58°F Mostly Clear 14 mph SW 0%
Monday 76°F Sunny 14 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
9b

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 Aug 4, 2026.