Rosamond, CA Weather & Growing Conditions
Today
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 63 in the afternoon. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 0 to 5 mph NNE | 0% |
| Tonight | 45°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Thursday Night | 48°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Friday | 73°F | Sunny | 0 to 10 mph NE | 0% |
| Friday Night | 50°F | Clear | 0 to 10 mph NNE | 0% |
| Saturday | 74°F | Sunny | 0 to 15 mph NE | 0% |
| Saturday Night | 51°F | Clear | 0 to 10 mph NNE | 0% |
| Sunday | 75°F | Sunny | 0 to 10 mph NE | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Monday | 74°F | Sunny | 0 to 5 mph E | 0% |
| Monday Night | 51°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 74°F | Sunny | 0 to 5 mph E | 2% |
| Tuesday Night | 51°F | Mostly Clear | 0 to 5 mph ENE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rosamond, CA
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
211 days
Hardiness zone
8b
Explore more for Rosamond, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Lancaster Wm J Fox Fld, Ca (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.