San Simeon, CA Weather & Growing Conditions
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. East southeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 96°F | Sunny | 0 to 5 mph S | 0% |
| Tuesday Night | 62°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 96°F | Sunny | 0 to 5 mph WSW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 100°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Friday | 91°F | Sunny | 0 to 5 mph WNW | 0% |
| Friday Night | 69°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Saturday | 90°F | Sunny | 0 to 5 mph WNW | 0% |
| Saturday Night | 69°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Sunday | 86°F | Sunny | 0 to 5 mph WNW | 0% |
| Sunday Night | 64°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Monday | 79°F | Sunny | 0 to 5 mph W | 1% |
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 Aug 4, 2026.