Jenner, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jenner, a community in Sonoma County, California.
Today
60°F
Mostly Sunny
Mostly sunny. High near 60, with temperatures falling to around 57 in the afternoon. South wind 2 to 8 mph.
7-day forecast for Jenner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Mostly Sunny | 2 to 8 mph S | 1% |
| Tonight | 51°F | Patchy Fog then Patchy Smoke | 1 to 5 mph S | 1% |
| Wednesday | 59°F | Partly Sunny then Patchy Fog | 2 to 6 mph S | 1% |
| Wednesday Night | 51°F | Areas Of Fog | 2 mph SSW | 0% |
| Thursday | 58°F | Areas Of Fog then Mostly Sunny | 1 to 5 mph SSW | 0% |
| Thursday Night | 52°F | Partly Cloudy then Patchy Fog | 2 to 6 mph WNW | 0% |
| Friday | 67°F | Patchy Fog then Mostly Sunny | 2 to 8 mph WNW | 0% |
| Friday Night | 56°F | Partly Cloudy | 1 to 8 mph NW | 0% |
| Saturday | 74°F | Mostly Sunny | 0 to 8 mph WNW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 10 mph NW | 0% |
| Sunday | 73°F | Sunny | 8 to 15 mph NW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 7 to 15 mph NW | 0% |
| Monday | 66°F | Sunny | 6 to 10 mph W | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 to 9 mph NW | 0% |
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
Nearby towns & communities
Bloomfield
Bodega
Bodega Bay
Boyes Hot Springs
Calistoga
Carmet
Cazadero
Cloverdale
Cotati
El Verano
Eldridge
Fetters Hot Springs-Agua Caliente
Forestville
Fulton
Geyserville
Glen Ellen
Graton
Guerneville
Healdsburg
Kenwood
Larkfield-Wikiup
Monte Rio
Occidental
Penngrove
Petaluma
Rohnert Park
Salmon Creek
Santa Rosa
Sea Ranch
Sebastopol
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 Aug 4, 2026.