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
62°F
Light Rain
Rain. Mostly cloudy. High near 62, with temperatures falling to around 57 in the afternoon. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Crockett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Light Rain | 5 to 8 mph S | 88% |
| Tonight | 48°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph ENE | 54% |
| Wednesday | 67°F | Sunny | 2 to 7 mph NW | 1% |
| Wednesday Night | 48°F | Partly Cloudy then Patchy Fog | 2 to 7 mph WNW | 0% |
| Thursday | 70°F | Patchy Fog then Sunny | 3 mph NW | 0% |
| Thursday Night | 49°F | Mostly Clear | 2 mph W | 0% |
| Friday | 71°F | Patchy Fog then Sunny | 2 mph N | 0% |
| Friday Night | 49°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 72°F | Sunny | 1 to 8 mph NE | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 71°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NW | 0% |
| Sunday Night | 51°F | Mostly Cloudy then Patchy Fog | 1 mph NW | 0% |
| Monday | 69°F | Patchy Fog then Partly Sunny | 1 to 5 mph WSW | 1% |
| Monday Night | 50°F | Partly Cloudy then Patchy Fog | 2 mph WSW | 2% |
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 Nov 4, 2026.