Healdsburg, CA Weather & Growing Conditions
Tonight
44°F
Chance Light Rain then Patchy Fog
A chance of rain before 8pm, then patchy fog. Mostly cloudy, with a low around 44. East northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Chance Light Rain then Patchy Fog | 5 mph ENE | 29% |
| Wednesday | 69°F | Patchy Fog then Sunny | 2 to 7 mph NW | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Thursday | 74°F | Sunny | 1 to 5 mph NW | 0% |
| Thursday Night | 45°F | Mostly Clear | 3 mph WNW | 0% |
| Friday | 76°F | Sunny | 2 mph NW | 0% |
| Friday Night | 47°F | Mostly Clear | 2 mph NNW | 0% |
| Saturday | 77°F | Sunny | 2 mph ESE | 0% |
| Saturday Night | 46°F | Mostly Clear | 2 mph WNW | 0% |
| Sunday | 76°F | Mostly Sunny | 3 mph NW | 0% |
| Sunday Night | 46°F | Mostly Cloudy then Patchy Fog | 2 mph WNW | 0% |
| Monday | 73°F | Patchy Fog then Partly Sunny | 2 mph WNW | 3% |
| Monday Night | 46°F | Partly Cloudy | 3 mph NW | 5% |
| Tuesday | 73°F | Mostly Sunny then Slight Chance Light Rain | 2 mph W | 16% |
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 Nov 4, 2026.