Rosamond, CA Weather & Growing Conditions
Today
105°F
Sunny
Sunny. High near 105, with temperatures falling to around 103 in the afternoon. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 105°F | Sunny | 5 to 15 mph WSW | 0% |
| Tonight | 73°F | Clear | 5 to 15 mph WSW | 0% |
| Wednesday | 106°F | Sunny | 5 to 15 mph WSW | 0% |
| Wednesday Night | 74°F | Clear | 5 to 15 mph W | 0% |
| Thursday | 106°F | Sunny | 5 to 15 mph WSW | 0% |
| Thursday Night | 75°F | Clear | 5 to 15 mph W | 0% |
| Friday | 106°F | Sunny | 5 to 15 mph W | 0% |
| Friday Night | 76°F | Mostly Clear | 5 to 15 mph W | 0% |
| Saturday | 106°F | Sunny | 5 to 15 mph W | 1% |
| Saturday Night | 77°F | Clear | 5 to 15 mph W | 0% |
| Sunday | 105°F | Sunny | 5 to 20 mph WSW | 0% |
| Sunday Night | 74°F | Mostly Clear | 5 to 20 mph WSW | 0% |
| Monday | 101°F | Sunny | 5 to 20 mph WSW | 3% |
| Monday Night | 71°F | Mostly Clear | 5 to 20 mph WSW | 2% |
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 Aug 4, 2026.