Lake Isabella, CA Weather & Growing Conditions

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

Overnight

47°F

Mostly Clear

Mostly clear, with a low around 47. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

7-day forecast for Lake Isabella

When	Temp	Forecast	Wind	Precip
Overnight	47°F	Mostly Clear	5 to 10 mph SSW	1%
Wednesday	68°F	Sunny	0 to 10 mph S	0%
Wednesday Night	47°F	Partly Cloudy	5 mph SSE	0%
Thursday	72°F	Mostly Sunny	0 to 5 mph N	0%
Thursday Night	47°F	Mostly Clear	5 mph NNE	0%
Friday	76°F	Sunny	0 to 10 mph ESE	0%
Friday Night	50°F	Clear	5 to 10 mph E	0%
Saturday	79°F	Sunny	5 to 10 mph ESE	0%
Saturday Night	52°F	Clear	5 to 10 mph E	0%
Sunday	78°F	Sunny	5 mph ESE	0%
Sunday Night	53°F	Mostly Clear	5 mph ESE	0%
Monday	77°F	Mostly Sunny	0 to 5 mph E	0%
Monday Night	51°F	Partly Cloudy	5 mph NW	0%
Tuesday	75°F	Sunny	0 to 5 mph NE	1%

Forecast source: National Weather Service (api.weather.gov) for Lake Isabella (35.637, -118.483). Updated through the day.

Growing snapshot for Lake Isabella

Last spring frost

Apr 5

First fall frost

Nov 3

Growing season

212 days

Hardiness zone

More local growing data for Lake Isabella: nearby ZIP 93240 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, S Lake Fs, Ca (5.5 mi from Lake Isabella). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.