Rosamond, CA Weather & Growing Conditions
Tonight
64°F
Mostly Clear
Mostly clear, with a low around 64. North northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Sunday Night | 64°F | Mostly Clear | 0 to 5 mph W | 2% |
| Monday | 84°F | Mostly Sunny | 0 to 15 mph WSW | 3% |
| Monday Night | 60°F | Mostly Clear | 0 to 15 mph W | 1% |
| Tuesday | 87°F | Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 64°F | Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 91°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 67°F | Clear | 0 mph | 0% |
| Thursday | 93°F | Sunny | 0 to 10 mph E | 1% |
| Thursday Night | 68°F | Mostly Clear | 0 mph | 0% |
| Friday | 91°F | Sunny | 0 to 15 mph SW | 1% |
| Friday Night | 66°F | Mostly Clear | 0 to 15 mph WSW | 1% |
| Saturday | 89°F | Sunny | 0 to 15 mph WSW | 1% |
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 Sep 20, 2026.