Johannesburg, CA Weather & Growing Conditions

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

Today

103°F

Sunny

Sunny, with a high near 103. West southwest wind 7 to 17 mph, with gusts as high as 29 mph.

7-day forecast for Johannesburg

When	Temp	Forecast	Wind	Precip
Today	103°F	Sunny	7 to 17 mph WSW	0%
Tonight	74°F	Clear	7 to 17 mph WSW	0%
Wednesday	103°F	Sunny	7 to 16 mph WSW	0%
Wednesday Night	75°F	Clear	5 to 16 mph SW	0%
Thursday	103°F	Sunny	5 to 10 mph SW	0%
Thursday Night	76°F	Clear	5 to 15 mph SW	0%
Friday	103°F	Sunny	5 to 10 mph SW	0%
Friday Night	77°F	Clear	6 to 14 mph SW	0%
Saturday	104°F	Sunny	6 to 13 mph SW	1%
Saturday Night	77°F	Clear	7 to 15 mph SW	1%
Sunday	103°F	Sunny	7 to 17 mph SSW	1%
Sunday Night	75°F	Mostly Clear	10 to 18 mph SSW	1%
Monday	99°F	Mostly Sunny	10 to 22 mph SSW	4%
Monday Night	72°F	Mostly Clear	13 to 22 mph SSW	2%

Forecast source: National Weather Service (api.weather.gov) for Johannesburg (35.372, -117.642). Updated through the day.

Growing snapshot for Johannesburg

Last spring frost

Mar 19

First fall frost

Nov 25

Growing season

251 days

Hardiness zone

More local growing data for Johannesburg: nearby ZIP 93528 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Randsburg, Ca (0.6 mi from Johannesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.