Casmalia, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casmalia, a community in Santa Barbara County, California.
Tonight
54°F
Patchy Fog
Patchy fog. Cloudy, with a low around 54. Northwest wind around 5 mph.
7-day forecast for Casmalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Patchy Fog | 5 mph NW | 1% |
| Saturday | 74°F | Patchy Fog then Partly Sunny | 5 to 15 mph NW | 2% |
| Saturday Night | 55°F | Patchy Fog | 5 to 10 mph NW | 1% |
| Sunday | 72°F | Patchy Fog then Partly Sunny | 5 to 10 mph NW | 0% |
| Sunday Night | 56°F | Patchy Fog | 5 to 10 mph NW | 1% |
| Monday | 68°F | Patchy Fog then Partly Sunny | 5 to 15 mph NW | 2% |
| Monday Night | 55°F | Patchy Fog | 0 to 10 mph NW | 2% |
| Tuesday | 70°F | Patchy Fog then Mostly Sunny | 0 to 10 mph NW | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Wednesday | 79°F | Sunny | 0 to 10 mph NW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Thursday | 81°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Friday | 77°F | Mostly Sunny | 0 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Casmalia (34.838, -120.531). Updated through the day.
Growing snapshot for Casmalia
Last spring frost
Feb 4
First fall frost
Dec 13
Growing season
315 days
Hardiness zone
10a
More local growing data for Casmalia: nearby ZIP 93429 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Santa Maria Public Ap, Ca (5.6 mi from Casmalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.