Calistoga, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calistoga, a city in Sonoma County, California.
Overnight
58°F
Mostly Clear
Mostly clear, with a low around 58. West wind around 1 mph.
7-day forecast for Calistoga
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Clear | 1 mph W | 0% |
| Tuesday | 98°F | Haze then Sunny | 1 to 6 mph W | 0% |
| Tuesday Night | 54°F | Mostly Clear | 1 to 5 mph W | 0% |
| Wednesday | 93°F | Sunny | 1 to 5 mph WSW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Thursday | 90°F | Sunny | 1 to 5 mph WSW | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Friday | 96°F | Sunny | 1 to 5 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 0 to 5 mph W | 0% |
| Saturday | 96°F | Sunny | 0 to 6 mph WSW | 0% |
| Saturday Night | 60°F | Mostly Clear | 0 to 6 mph W | 0% |
| Sunday | 94°F | Sunny | 0 to 6 mph SSW | 0% |
| Sunday Night | 56°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Monday | 87°F | Sunny | 0 to 7 mph SSW | 0% |
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 Aug 4, 2026.