Boonville, CA Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. North northwest wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 to 7 mph NNW | 0% |
| Tonight | 50°F | Mostly Cloudy | 2 to 7 mph NNW | 0% |
| Sunday | 81°F | Mostly Cloudy | 5 mph NW | 0% |
| Sunday Night | 50°F | Mostly Cloudy then Patchy Fog | 1 to 5 mph NNW | 0% |
| Monday | 84°F | Patchy Fog then Sunny | 1 to 5 mph WNW | 0% |
| Monday Night | 51°F | Mostly Clear then Patchy Fog | 1 to 5 mph NW | 0% |
| Tuesday | 85°F | Patchy Fog then Sunny | 1 to 6 mph NW | 0% |
| Tuesday Night | 51°F | Mostly Clear | 6 mph NNW | 0% |
| Wednesday | 89°F | Sunny | 1 to 5 mph NNW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 5 mph NNW | 0% |
| Thursday | 90°F | Sunny | 5 mph NW | 0% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph NNW | 1% |
| Friday | 83°F | Mostly Sunny | 5 mph NW | 1% |
| Friday Night | 51°F | Partly Cloudy | 5 mph N | 4% |
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 Sep 19, 2026.