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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

WhenTempForecastWindPrecip
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.