Boonville, CA Weather & Growing Conditions
Today
93°F
Sunny
Sunny, with a high near 93. South southwest wind 2 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 2 to 9 mph SSW | 0% |
| Tonight | 56°F | Mostly Clear | 0 to 6 mph SSW | 0% |
| Wednesday | 91°F | Sunny | 1 to 8 mph S | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 6 mph W | 0% |
| Thursday | 90°F | Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Friday | 94°F | Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 59°F | Mostly Clear | 5 mph NNW | 0% |
| Saturday | 94°F | Sunny | 2 to 6 mph WNW | 0% |
| Saturday Night | 56°F | Mostly Clear | 8 mph NW | 0% |
| Sunday | 89°F | Sunny | 7 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 7 mph NNW | 0% |
| Monday | 86°F | Sunny | 6 mph WNW | 0% |
| Monday Night | 50°F | Mostly Clear | 6 mph NW | 0% |
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 Aug 4, 2026.