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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.