Jenner, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jenner, a community in Sonoma County, California.
Today
58°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then rain. Mostly cloudy, with a high near 58. South wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Jenner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Showers And Thunderstorms Likely | 7 to 13 mph S | 88% |
| Tonight | 52°F | Chance Light Rain then Mostly Cloudy | 6 to 14 mph E | 26% |
| Wednesday | 60°F | Mostly Sunny | 3 to 22 mph NW | 1% |
| Wednesday Night | 54°F | Mostly Cloudy | 12 to 22 mph NW | 0% |
| Thursday | 61°F | Sunny | 8 to 16 mph NW | 0% |
| Thursday Night | 54°F | Partly Cloudy | 8 to 16 mph NNW | 0% |
| Friday | 64°F | Sunny | 2 to 8 mph NW | 0% |
| Friday Night | 53°F | Mostly Clear | 1 to 8 mph NNW | 0% |
| Saturday | 66°F | Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 54°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 66°F | Patchy Fog | 2 to 8 mph NW | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 3 to 8 mph NW | 0% |
| Monday | 64°F | Partly Sunny | 2 to 9 mph NW | 4% |
| Monday Night | 53°F | Mostly Cloudy | 2 to 9 mph NW | 6% |
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 Nov 3, 2026.