Sea Ranch, CA Weather & Growing Conditions
This Afternoon
71°F
Sunny
Sunny, with a high near 71. Northwest wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 9 mph NW | 0% |
| Tonight | 54°F | Mostly Clear | 2 to 8 mph NW | 0% |
| Saturday | 72°F | Sunny | 2 to 9 mph NW | 0% |
| Saturday Night | 54°F | Mostly Cloudy | 2 to 8 mph NW | 0% |
| Sunday | 69°F | Partly Sunny | 2 to 8 mph NW | 0% |
| Sunday Night | 53°F | Mostly Cloudy then Patchy Fog | 2 to 7 mph NW | 0% |
| Monday | 71°F | Patchy Fog then Mostly Sunny | 2 to 7 mph NW | 0% |
| Monday Night | 53°F | Mostly Clear then Areas Of Fog | 2 to 7 mph NNW | 0% |
| Tuesday | 71°F | Areas Of Fog then Sunny | 2 to 9 mph NW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Wednesday | 74°F | Sunny | 2 to 6 mph NW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Thursday | 74°F | Mostly Sunny | 1 to 6 mph NW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 6 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sea Ranch, CA
Last spring frost
Feb 26
First fall frost
Dec 27
Growing season
310 days
Hardiness zone
10a
Explore more for Sea Ranch, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Ft Ross, Ca (18.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.