Sea Ranch, CA Weather & Growing Conditions
Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. West northwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 6 mph WNW | 0% |
| Tonight | 53°F | Mostly Cloudy | 5 mph NNW | 0% |
| Sunday | 77°F | Partly Sunny | 5 mph NW | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 0 to 3 mph NW | 0% |
| Monday | 78°F | Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 53°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Tuesday | 80°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 55°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Wednesday | 85°F | Sunny | 1 to 5 mph NW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Thursday | 86°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 59°F | Partly Cloudy | 3 mph NW | 1% |
| Friday | 80°F | Mostly Sunny | 1 to 5 mph NW | 1% |
| Friday Night | 55°F | Partly Cloudy | 0 to 3 mph NNW | 4% |
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
9b
Explore more for Sea Ranch, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Ft Ross, Ca (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.