Healdsburg, CA Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. West wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 1 to 5 mph W | 0% |
| Saturday | 89°F | Sunny | 1 to 6 mph SSE | 0% |
| Saturday Night | 54°F | Mostly Cloudy | 1 to 5 mph NW | 0% |
| Sunday | 83°F | Patchy Fog then Partly Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 52°F | Mostly Cloudy then Areas Of Fog | 1 to 5 mph WSW | 0% |
| Monday | 85°F | Areas Of Fog then Mostly Sunny | 1 to 6 mph WSW | 0% |
| Monday Night | 53°F | Mostly Clear then Patchy Fog | 1 to 6 mph SW | 0% |
| Tuesday | 88°F | Areas Of Fog then Sunny | 1 to 5 mph SW | 0% |
| Tuesday Night | 55°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Wednesday | 93°F | Sunny | 1 to 6 mph S | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 6 mph NW | 0% |
| Thursday | 94°F | Sunny | 0 to 6 mph S | 0% |
| Thursday Night | 58°F | Partly Cloudy | 1 to 6 mph W | 0% |
| Friday | 89°F | Mostly Sunny | 2 to 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Healdsburg, CA
Last spring frost
Feb 15
First fall frost
Dec 2
Growing season
292 days
Hardiness zone
9b
Explore more for Healdsburg, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Healdsburg, Ca (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.