Jenner, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jenner, a community in Sonoma County, California.
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northwest wind 9 to 18 mph.
7-day forecast for Jenner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 9 to 18 mph NW | 0% |
| Saturday | 62°F | Mostly Sunny | 6 to 17 mph NW | 0% |
| Saturday Night | 54°F | Mostly Cloudy | 9 to 18 mph NW | 0% |
| Sunday | 60°F | Mostly Cloudy | 7 to 12 mph WNW | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 2 to 12 mph NW | 0% |
| Monday | 60°F | Patchy Fog | 2 to 6 mph WNW | 0% |
| Monday Night | 54°F | Areas Of Fog | 1 to 6 mph NW | 0% |
| Tuesday | 65°F | Patchy Fog | 1 to 8 mph NW | 0% |
| Tuesday Night | 55°F | Partly Cloudy | 1 to 8 mph NW | 0% |
| Wednesday | 71°F | Patchy Fog | 1 to 7 mph NW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 1 to 7 mph NW | 0% |
| Thursday | 72°F | Mostly Sunny | 1 to 7 mph WNW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 7 mph NW | 1% |
| Friday | 68°F | Mostly Sunny | 2 to 8 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Jenner (38.459, -123.127). Updated through the day.
Growing snapshot for Jenner
Last spring frost
Jan 29
First fall frost
Dec 30
Growing season
347 days
Hardiness zone
9b
More local growing data for Jenner: nearby ZIP 95430 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Occidental, Ca (6.8 mi from Jenner). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.