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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

WhenTempForecastWindPrecip
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.