Sea Ranch, CA Weather & Growing Conditions
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. East northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 1 mph ENE | 0% |
| Wednesday | 63°F | Mostly Sunny | 1 to 9 mph N | 3% |
| Wednesday Night | 49°F | Mostly Cloudy | 6 mph NNW | 1% |
| Thursday | 67°F | Sunny | 3 to 8 mph NNW | 0% |
| Thursday Night | 47°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Friday | 67°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Friday Night | 49°F | Mostly Clear | 0 to 7 mph NNW | 0% |
| Saturday | 67°F | Sunny | 0 to 3 mph NW | 0% |
| Saturday Night | 50°F | Partly Cloudy then Patchy Fog | 3 mph NNW | 1% |
| Sunday | 66°F | Patchy Fog then Mostly Sunny | 2 to 7 mph NNW | 1% |
| Sunday Night | 51°F | Mostly Cloudy | 2 to 6 mph NNW | 2% |
| Monday | 64°F | Partly Sunny | 2 to 6 mph NW | 4% |
| Monday Night | 50°F | Partly Cloudy | 2 to 6 mph NNW | 4% |
| Tuesday | 64°F | Slight Chance Light Rain | 5 mph NW | 16% |
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 Nov 4, 2026.