Stevenson Ranch, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stevenson Ranch, a community in Los Angeles County, California.
Today
95°F
Sunny
Sunny, with a high near 95. Southwest wind 0 to 10 mph.
7-day forecast for Stevenson Ranch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 10 mph SW | 0% |
| Tonight | 64°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 95°F | Sunny | 0 to 10 mph SSW | 0% |
| Wednesday Night | 64°F | Clear | 0 to 10 mph N | 0% |
| Thursday | 96°F | Sunny | 0 to 10 mph WNW | 0% |
| Thursday Night | 66°F | Clear | 0 to 10 mph SSW | 0% |
| Friday | 97°F | Sunny | 0 to 10 mph SSW | 0% |
| Friday Night | 66°F | Clear | 0 to 10 mph SW | 0% |
| Saturday | 99°F | Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 67°F | Clear | 0 to 10 mph SSW | 0% |
| Sunday | 97°F | Sunny | 0 to 10 mph SSW | 0% |
| Sunday Night | 65°F | Mostly Clear | 0 to 10 mph SSW | 0% |
| Monday | 93°F | Sunny | 0 to 10 mph S | 1% |
| Monday Night | 63°F | Mostly Clear | 0 to 10 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Stevenson Ranch (34.388, -118.584). Updated through the day.
Growing snapshot for Stevenson Ranch
Last spring frost
Jan 8
First fall frost
Jan 1
Growing season
365 days
Hardiness zone
10a
More local growing data for Stevenson Ranch: nearby ZIP 91355 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Newhall 5Nw, Ca (1.5 mi from Stevenson Ranch). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.