San Pablo, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for San Pablo, a city in Contra Costa County, California.

Today

66°F

Sunny

Sunny. High near 66, with temperatures falling to around 63 in the afternoon. North northwest wind 5 to 8 mph.

7-day forecast for San Pablo

When	Temp	Forecast	Wind	Precip
Today	66°F	Sunny	5 to 8 mph NNW	2%
Tonight	50°F	Mostly Cloudy	3 to 7 mph NW	2%
Thursday	69°F	Mostly Sunny	3 mph NW	0%
Thursday Night	50°F	Mostly Clear then Patchy Fog	2 mph WNW	0%
Friday	70°F	Patchy Fog then Mostly Sunny	3 mph NNE	0%
Friday Night	51°F	Mostly Clear	0 to 3 mph NW	0%
Saturday	72°F	Sunny	1 to 7 mph NNE	0%
Saturday Night	51°F	Mostly Clear	3 mph NW	0%
Sunday	70°F	Mostly Sunny	5 mph NNW	0%
Sunday Night	52°F	Partly Cloudy	3 mph W	0%
Monday	69°F	Mostly Sunny	5 mph NW	2%
Monday Night	52°F	Partly Cloudy	2 mph WNW	2%
Tuesday	70°F	Sunny	3 mph NW	6%
Tuesday Night	53°F	Partly Cloudy then Slight Chance Light Rain	1 to 5 mph SW	15%

Forecast source: National Weather Service (api.weather.gov) for San Pablo (37.963, -122.343). Updated through the day.

Growing snapshot for San Pablo

Last spring frost

Jan 4

First fall frost

Jan 2

Growing season

365 days

Hardiness zone

10a

More local growing data for San Pablo: nearby ZIP 94806 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Acalanes Ridge Alamo Alhambra Valley Antioch Bay Point Bayview Benicia Bethel Island Blackhawk Brentwood Byron Castle Hill Clayton Clyde Concord Contra Costa Centre Crockett Danville Diablo Discovery Bay East Richmond Heights El Cerrito El Sobrante Hercules Knightsen Lafayette Martinez Montalvin Manor Moraga Mountain View

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Climate data from the nearest NOAA station, Richmond, Ca (4.7 mi from San Pablo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.