Johannesburg, CA Weather & Growing Conditions

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

This Afternoon

86°F

Sunny

Sunny. High near 86, with temperatures falling to around 84 in the afternoon. East southeast wind 3 to 7 mph.

7-day forecast for Johannesburg

When	Temp	Forecast	Wind	Precip
This Afternoon	86°F	Sunny	3 to 7 mph ESE	0%
Tonight	67°F	Partly Cloudy	0 to 5 mph W	0%
Sunday	87°F	Mostly Sunny	2 to 8 mph E	0%
Sunday Night	66°F	Partly Cloudy	6 mph SSW	2%
Monday	82°F	Mostly Sunny	5 to 9 mph SSW	6%
Monday Night	65°F	Mostly Clear	3 to 9 mph WSW	6%
Tuesday	83°F	Sunny	5 mph S	0%
Tuesday Night	69°F	Clear	5 mph W	0%
Wednesday	87°F	Sunny	3 to 9 mph NE	0%
Wednesday Night	71°F	Clear	2 to 8 mph ENE	0%
Thursday	89°F	Sunny	5 to 9 mph E	1%
Thursday Night	71°F	Mostly Clear	2 to 8 mph SSW	1%
Friday	88°F	Sunny	3 to 12 mph SSW	3%
Friday Night	70°F	Partly Cloudy	5 to 12 mph SSW	3%

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 Sep 20, 2026.