Fetters Hot Springs-Agua Caliente, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fetters Hot Springs-Agua Caliente, a community in Sonoma County, California.
Overnight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind around 3 mph.
7-day forecast for Fetters Hot Springs-Agua Caliente
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Partly Cloudy | 3 mph N | 0% |
| Wednesday | 69°F | Sunny | 5 mph NW | 2% |
| Wednesday Night | 44°F | Mostly Cloudy | 5 mph NNW | 2% |
| Thursday | 74°F | Mostly Sunny | 2 mph NNW | 0% |
| Thursday Night | 45°F | Mostly Clear | 1 mph N | 0% |
| Friday | 75°F | Sunny | 1 mph N | 0% |
| Friday Night | 46°F | Mostly Clear | 1 mph NNE | 0% |
| Saturday | 77°F | Sunny | 2 mph NNE | 0% |
| Saturday Night | 47°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 76°F | Mostly Sunny | 2 mph NW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 1 mph NNW | 0% |
| Monday | 73°F | Mostly Sunny | 2 mph WNW | 2% |
| Monday Night | 46°F | Partly Cloudy | 1 mph NNW | 2% |
| Tuesday | 73°F | Sunny | 2 mph WNW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Fetters Hot Springs-Agua Caliente (38.328, -122.487). Updated through the day.
Growing snapshot for Fetters Hot Springs-Agua Caliente
Last spring frost
Mar 2
First fall frost
Nov 27
Growing season
270 days
Hardiness zone
9b
More local growing data for Fetters Hot Springs-Agua Caliente: nearby ZIP 95431 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Sonoma, Ca (4.5 mi from Fetters Hot Springs-Agua Caliente). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.