Creston, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Creston, a community in San Luis Obispo County, California.
Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. North wind around 5 mph.
7-day forecast for Creston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 90°F | Sunny | 5 mph NNW | 0% |
| Saturday Night | 52°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Sunday | 86°F | Mostly Sunny | 0 to 15 mph WSW | 1% |
| Sunday Night | 49°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 82°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 52°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Tuesday | 89°F | Sunny | 0 to 10 mph WNW | 0% |
| Tuesday Night | 57°F | Clear | 0 to 10 mph NE | 0% |
| Wednesday | 98°F | Sunny | 0 to 10 mph NNE | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 10 mph S | 0% |
| Thursday | 97°F | Sunny | 0 to 10 mph ESE | 1% |
| Thursday Night | 60°F | Mostly Clear | 0 to 10 mph SSW | 1% |
| Friday | 92°F | Sunny | 0 to 10 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Creston (35.517, -120.518). Updated through the day.
Growing snapshot for Creston
Last spring frost
Mar 15
First fall frost
Nov 10
Growing season
238 days
Hardiness zone
8b
More local growing data for Creston: nearby ZIP 93432 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Paso Robles, Ca (15.4 mi from Creston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.