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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
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. South southwest wind 7 to 13 mph, with gusts as high as 18 mph.

7-day forecast for San Pablo

WhenTempForecastWindPrecip
Today 76°F Sunny 7 to 13 mph SSW 0%
Tonight 57°F Partly Cloudy 6 to 10 mph SSW 0%
Wednesday 75°F Mostly Sunny 6 to 12 mph SW 1%
Wednesday Night 57°F Partly Cloudy 5 to 10 mph SW 0%
Thursday 76°F Mostly Sunny 5 to 10 mph SW 0%
Thursday Night 58°F Partly Cloudy 5 to 10 mph SW 0%
Friday 81°F Sunny 5 to 10 mph SW 0%
Friday Night 58°F Mostly Clear 9 mph SW 0%
Saturday 78°F Sunny 6 to 12 mph SSW 0%
Saturday Night 59°F Mostly Clear 12 mph SSW 0%
Sunday 77°F Sunny 9 to 13 mph SSW 0%
Sunday Night 58°F Mostly Clear 13 mph SSW 0%
Monday 71°F Sunny 14 mph SW 0%
Monday Night 57°F Partly Cloudy 10 to 14 mph SW 0%

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

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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 Aug 4, 2026.