Sonoma, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sonoma, a city in Sonoma County, California.
This Afternoon
84°F
Sunny
Sunny. High near 84, with temperatures falling to around 80 in the afternoon. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
7-day forecast for Sonoma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 7 to 10 mph WSW | 0% |
| Tonight | 51°F | Mostly Clear then Areas Of Fog | 0 to 8 mph SW | 0% |
| Saturday | 87°F | Areas Of Fog then Sunny | 0 to 9 mph SSW | 0% |
| Saturday Night | 52°F | Partly Cloudy then Areas Of Fog | 0 to 6 mph SW | 0% |
| Sunday | 80°F | Areas Of Fog then Partly Sunny | 1 to 7 mph SSW | 0% |
| Sunday Night | 51°F | Mostly Cloudy then Areas Of Fog | 1 to 7 mph SW | 0% |
| Monday | 82°F | Areas Of Fog then Mostly Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 7 mph WNW | 0% |
| Tuesday | 85°F | Areas Of Fog then Sunny | 0 to 7 mph WSW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 0 to 7 mph WNW | 0% |
| Wednesday | 93°F | Patchy Fog then Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Thursday | 93°F | Sunny | 0 to 6 mph SW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 6 mph WNW | 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 Sep 19, 2026.