Rosamond, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rosamond, a community in Kern County, California.

Today

72°F

Sunny

Sunny. High near 72, with temperatures falling to around 65 in the afternoon. Southwest wind 0 to 15 mph, with gusts as high as 30 mph.

7-day forecast for Rosamond

When	Temp	Forecast	Wind	Precip
Today	72°F	Sunny	0 to 15 mph SW	0%
Tonight	44°F	Clear	5 to 15 mph W	0%
Wednesday	69°F	Sunny	0 to 5 mph N	0%
Wednesday Night	42°F	Mostly Clear	0 to 5 mph NNW	0%
Thursday	71°F	Mostly Sunny	0 to 5 mph NE	0%
Thursday Night	45°F	Mostly Clear	0 to 5 mph NNE	0%
Friday	74°F	Sunny	0 to 10 mph NNE	0%
Friday Night	48°F	Clear	0 to 10 mph NE	0%
Saturday	76°F	Sunny	0 to 10 mph NE	0%
Saturday Night	48°F	Clear	0 to 10 mph NNE	0%
Sunday	77°F	Sunny	0 to 5 mph NE	0%
Sunday Night	50°F	Partly Cloudy	0 to 5 mph NNE	0%
Monday	76°F	Mostly Sunny	0 mph	0%
Monday Night	49°F	Partly Cloudy	0 mph	1%

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

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 Nov 3, 2026.