Ukiah, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ukiah, a city in Mendocino County, California.
Tonight
46°F
Patchy Fog
Patchy fog after 10pm. Mostly cloudy, with a low around 46. West northwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ukiah
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Patchy Fog | 3 mph WNW | 5% |
| Wednesday | 66°F | Patchy Fog then Partly Sunny | 1 to 12 mph NNW | 1% |
| Wednesday Night | 43°F | Partly Cloudy | 5 to 9 mph NNW | 0% |
| Thursday | 73°F | Sunny | 3 to 12 mph NW | 0% |
| Thursday Night | 43°F | Mostly Clear | 1 to 12 mph NNW | 0% |
| Friday | 75°F | Sunny | 2 mph NNW | 0% |
| Friday Night | 46°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 78°F | Sunny | 2 mph ENE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 74°F | Mostly Sunny | 3 mph NNW | 0% |
| Sunday Night | 46°F | Mostly Cloudy then Patchy Fog | 0 to 3 mph NNW | 2% |
| Monday | 70°F | Patchy Fog then Partly Sunny | 0 to 5 mph NW | 6% |
| Monday Night | 45°F | Partly Cloudy | 0 to 5 mph NW | 5% |
| Tuesday | 72°F | Slight Chance Light Rain | 2 mph W | 19% |
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 Nov 4, 2026.