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Saranap, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Saranap, a community in Contra Costa County, California.

Today
102°F
Sunny
Sunny. High near 102, with temperatures falling to around 98 in the afternoon. West southwest wind 5 to 9 mph.

7-day forecast for Saranap

WhenTempForecastWindPrecip
Today 102°F Sunny 5 to 9 mph WSW 0%
Tonight 59°F Clear 5 to 8 mph SW 0%
Wednesday 96°F Sunny 8 mph WSW 0%
Wednesday Night 59°F Mostly Clear 5 to 8 mph WSW 0%
Thursday 92°F Sunny 5 to 8 mph WSW 0%
Thursday Night 60°F Clear 5 to 8 mph WSW 0%
Friday 97°F Sunny 5 to 8 mph WSW 0%
Friday Night 62°F Clear 8 mph SW 0%
Saturday 97°F Sunny 5 to 8 mph WSW 0%
Saturday Night 63°F Mostly Clear 8 mph SW 0%
Sunday 91°F Sunny 7 to 10 mph SW 0%
Sunday Night 60°F Mostly Clear 12 mph SW 0%
Monday 85°F Sunny 12 mph SW 0%
Monday Night 58°F Mostly Clear 12 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Saranap (37.888, -122.076). Updated through the day.

Growing snapshot for Saranap

Last spring frost
Mar 8
First fall frost
Dec 22
Growing season
282 days
Hardiness zone
9b

More local growing data for Saranap: nearby ZIP 94595 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Mt Diablo Junction, Ca (7.6 mi from Saranap). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.