Boonville, CA Weather & Growing Conditions
Overnight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. East northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Partly Cloudy | 2 mph ENE | 0% |
| Wednesday | 64°F | Patchy Fog then Partly Sunny | 2 to 10 mph N | 3% |
| Wednesday Night | 45°F | Mostly Cloudy | 6 to 10 mph NNW | 3% |
| Thursday | 71°F | Sunny | 7 mph NNW | 0% |
| Thursday Night | 43°F | Mostly Clear | 5 mph NNW | 0% |
| Friday | 73°F | Mostly Sunny | 3 mph NNW | 0% |
| Friday Night | 45°F | Mostly Clear | 0 to 3 mph N | 0% |
| Saturday | 74°F | Sunny | 2 mph WNW | 0% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph NNW | 1% |
| Sunday | 70°F | Mostly Sunny | 5 mph NNW | 1% |
| Sunday Night | 46°F | Mostly Cloudy | 5 mph NNW | 1% |
| Monday | 67°F | Partly Sunny | 3 mph NNW | 3% |
| Monday Night | 45°F | Partly Cloudy | 5 mph N | 4% |
| Tuesday | 68°F | Slight Chance Light Rain | 3 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boonville, CA
Last spring frost
Mar 5
First fall frost
Nov 21
Growing season
259 days
Hardiness zone
9b
Explore more for Boonville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Ukiah Muni Ap, Ca (17.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.