San Simeon, CA Weather & Growing Conditions
Today
67°F
Sunny
Sunny, with a high near 67. North wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Sunny | 5 to 10 mph N | 1% |
| Tonight | 52°F | Mostly Cloudy | 10 to 15 mph N | 1% |
| Thursday | 73°F | Mostly Sunny | 10 mph N | 0% |
| Thursday Night | 52°F | Mostly Clear | 5 to 10 mph NNE | 0% |
| Friday | 77°F | Sunny | 0 to 10 mph NNE | 0% |
| Friday Night | 54°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Saturday | 78°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Sunday | 75°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 58°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 57°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 71°F | Sunny | 0 to 5 mph N | 3% |
| Tuesday Night | 56°F | Mostly Clear | 0 to 5 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Simeon, CA
Last spring frost
Feb 13
First fall frost
Feb 1
Growing season
365 days
Hardiness zone
10a
Explore more for San Simeon, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hearst Castle, Ca (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.