Calistoga, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calistoga, a city in Sonoma County, California.
This Afternoon
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 64 in the afternoon. West wind around 5 mph.
7-day forecast for Calistoga
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 5 mph W | 1% |
| Tonight | 43°F | Partly Cloudy | 3 mph WSW | 1% |
| Thursday | 73°F | Sunny | 0 to 3 mph WNW | 0% |
| Thursday Night | 46°F | Mostly Clear | 1 mph NNW | 0% |
| Friday | 75°F | Sunny | 2 mph N | 0% |
| Friday Night | 45°F | Mostly Clear | 2 mph NNE | 0% |
| Saturday | 76°F | Sunny | 0 to 3 mph NE | 0% |
| Saturday Night | 46°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 75°F | Mostly Sunny | 2 mph N | 0% |
| Sunday Night | 47°F | Partly Cloudy | 0 mph | 0% |
| Monday | 72°F | Mostly Sunny | 1 mph W | 0% |
| Monday Night | 45°F | Partly Cloudy | 1 mph NNW | 1% |
| Tuesday | 73°F | Sunny | 1 mph NW | 3% |
| Tuesday Night | 47°F | Partly Cloudy then Slight Chance Light Rain | 1 mph NNW | 15% |
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.