Ukiah, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ukiah, a city in Mendocino County, California.
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. Northwest wind around 5 mph.
7-day forecast for Ukiah
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 5 mph NW | 0% |
| Saturday | 92°F | Sunny | 2 to 8 mph WNW | 0% |
| Saturday Night | 56°F | Mostly Cloudy | 1 to 8 mph NW | 0% |
| Sunday | 89°F | Partly Sunny | 1 to 6 mph WNW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 0 to 6 mph NW | 0% |
| Monday | 92°F | Sunny | 0 to 6 mph NW | 0% |
| Monday Night | 55°F | Mostly Clear | 0 to 6 mph NW | 0% |
| Tuesday | 91°F | Sunny | 0 to 6 mph WNW | 0% |
| Tuesday Night | 56°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Wednesday | 96°F | Sunny | 1 to 6 mph WNW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Thursday | 95°F | Sunny | 1 to 7 mph SSW | 0% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 7 mph NW | 0% |
| Friday | 88°F | Sunny | 1 to 7 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Ukiah (39.147, -123.210). Updated through the day.
Growing snapshot for Ukiah
Last spring frost
Mar 19
First fall frost
Nov 20
Growing season
245 days
Hardiness zone
9a
More local growing data for Ukiah: nearby ZIP 95482 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Ukiah, Ca (2.8 mi from Ukiah). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.