Harman US

Crockett, CA Weather & Growing Conditions

Tonight
48°F
Chance Light Rain then Mostly Cloudy
A chance of rain before 10pm. Mostly cloudy, with a low around 48. East northeast wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
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%
Tuesday 69°F Mostly Sunny 3 mph W 7%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Crockett, CA

Last spring frost
Jan 17
First fall frost
Dec 27
Growing season
346 days
Hardiness zone
9b

Explore more for Crockett, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Vallejo, Ca (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.