Calistoga, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calistoga, a city in Sonoma County, California.
This Afternoon
58°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 58, with temperatures falling to around 54 in the afternoon. East wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Calistoga
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Chance Light Rain | 3 mph E | 42% |
| Tonight | 43°F | Chance Light Rain then Mostly Cloudy | 6 mph E | 42% |
| Wednesday | 68°F | Patchy Fog then Sunny | 1 to 5 mph WNW | 1% |
| Wednesday Night | 42°F | Partly Cloudy | 3 mph NNW | 0% |
| Thursday | 72°F | Sunny | 2 mph N | 0% |
| Thursday Night | 46°F | Mostly Clear | 1 mph N | 0% |
| Friday | 75°F | Sunny | 1 mph N | 0% |
| Friday Night | 47°F | Mostly Clear | 2 mph NNE | 0% |
| Saturday | 76°F | Sunny | 0 to 3 mph E | 0% |
| Saturday Night | 46°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 75°F | Mostly Sunny | 2 mph N | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 1 mph NNW | 0% |
| Monday | 71°F | Partly Sunny | 1 mph W | 2% |
| Monday Night | 46°F | Partly Cloudy | 1 mph NNW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Calistoga (38.581, -122.583). Updated through the day.
Growing snapshot for Calistoga
Last spring frost
Mar 2
First fall frost
Nov 23
Growing season
263 days
Hardiness zone
9b
More local growing data for Calistoga: nearby ZIP 94515 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Calistoga, Ca (2.8 mi from Calistoga). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.