Sea Ranch, CA Weather & Growing Conditions
Today
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. South southwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Sunny | 2 to 6 mph SSW | 0% |
| Tonight | 55°F | Partly Cloudy | 2 mph SSW | 0% |
| Wednesday | 75°F | Mostly Sunny | 5 mph S | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 mph SSW | 0% |
| Thursday | 74°F | Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 56°F | Partly Cloudy | 3 mph NW | 0% |
| Friday | 83°F | Sunny | 1 to 5 mph WNW | 0% |
| Friday Night | 59°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Saturday | 84°F | Sunny | 0 to 6 mph WNW | 0% |
| Saturday Night | 61°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Sunday | 82°F | Sunny | 2 to 8 mph NW | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Monday | 76°F | Sunny | 2 to 7 mph WNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 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 (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.