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Sonoma, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sonoma, a city in Sonoma County, California.

Today
97°F
Haze then Sunny
Haze between 7am and 8am. Sunny. High near 97, with temperatures falling to around 94 in the afternoon. South southwest wind 1 to 8 mph.

7-day forecast for Sonoma

WhenTempForecastWindPrecip
Today 97°F Haze then Sunny 1 to 8 mph SSW 0%
Tonight 53°F Mostly Clear 1 to 6 mph WSW 0%
Wednesday 92°F Sunny 2 to 8 mph WSW 0%
Wednesday Night 53°F Mostly Clear then Patchy Fog 2 to 7 mph WSW 0%
Thursday 89°F Sunny 2 to 8 mph WSW 0%
Thursday Night 54°F Mostly Clear 1 to 8 mph WSW 0%
Friday 94°F Sunny 1 to 7 mph WSW 0%
Friday Night 55°F Mostly Clear 0 to 7 mph WNW 0%
Saturday 93°F Sunny 0 to 7 mph SW 0%
Saturday Night 57°F Mostly Clear 0 to 7 mph SW 0%
Sunday 90°F Sunny 0 to 8 mph SW 0%
Sunday Night 54°F Mostly Clear then Patchy Fog 2 to 8 mph SSW 0%
Monday 83°F Patchy Fog then Sunny 2 to 8 mph SSW 0%
Monday Night 52°F Mostly Clear 1 to 8 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Sonoma (38.290, -122.460). Updated through the day.

Growing snapshot for Sonoma

Last spring frost
Mar 2
First fall frost
Nov 27
Growing season
270 days
Hardiness zone
9b

More local growing data for Sonoma: nearby ZIP 95476 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Sonoma, Ca (3 mi from Sonoma). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.