Rosamond, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rosamond, a community in Kern County, California.
Today
106°F
Sunny
Sunny. High near 106, with temperatures falling to around 103 in the afternoon. Southwest wind 5 to 20 mph, with gusts as high as 30 mph.
7-day forecast for Rosamond
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 106°F | Sunny | 5 to 20 mph SW | 0% |
| Tonight | 70°F | Clear | 5 to 20 mph WSW | 0% |
| Wednesday | 107°F | Sunny | 5 to 15 mph WSW | 0% |
| Wednesday Night | 71°F | Clear | 0 to 15 mph WSW | 0% |
| Thursday | 107°F | Sunny | 0 to 15 mph WSW | 0% |
| Thursday Night | 72°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Friday | 107°F | Sunny | 5 to 15 mph WSW | 0% |
| Friday Night | 73°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Saturday | 108°F | Sunny | 5 to 20 mph WSW | 1% |
| Saturday Night | 73°F | Clear | 5 to 20 mph WSW | 0% |
| Sunday | 106°F | Sunny | 5 to 20 mph SW | 0% |
| Sunday Night | 71°F | Mostly Clear | 5 to 20 mph WSW | 0% |
| Monday | 101°F | Sunny | 5 to 25 mph WSW | 3% |
| Monday Night | 68°F | Mostly Clear | 5 to 25 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Rosamond (34.866, -118.215). Updated through the day.
Growing snapshot for Rosamond
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
211 days
Hardiness zone
8b
More local growing data for Rosamond: nearby ZIP 93560 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Lancaster Wm J Fox Fld, Ca (11.3 mi from Rosamond). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.