Onyx, CA Weather & Growing Conditions

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

This Afternoon

68°F

Sunny

Sunny. High near 68, with temperatures falling to around 60 in the afternoon. West southwest wind around 20 mph, with gusts as high as 35 mph.

7-day forecast for Onyx

When	Temp	Forecast	Wind	Precip
This Afternoon	68°F	Sunny	20 mph WSW	0%
Tonight	43°F	Mostly Clear	5 to 25 mph S	0%
Wednesday	65°F	Sunny	0 to 10 mph NW	0%
Wednesday Night	44°F	Partly Cloudy	0 to 5 mph NW	0%
Thursday	68°F	Mostly Sunny	0 to 5 mph E	0%
Thursday Night	45°F	Mostly Clear	0 to 5 mph NNE	0%
Friday	71°F	Sunny	0 to 5 mph ENE	0%
Friday Night	48°F	Clear	5 to 15 mph ENE	0%
Saturday	74°F	Sunny	5 to 10 mph E	0%
Saturday Night	49°F	Clear	5 to 15 mph ENE	0%
Sunday	74°F	Sunny	5 to 10 mph E	1%
Sunday Night	50°F	Partly Cloudy	5 to 10 mph NE	1%
Monday	72°F	Mostly Sunny	0 to 10 mph WSW	0%
Monday Night	49°F	Partly Cloudy	0 to 10 mph WNW	1%

Forecast source: National Weather Service (api.weather.gov) for Onyx (35.670, -118.227). Updated through the day.

Growing snapshot for Onyx

Last spring frost

Apr 5

First fall frost

Nov 3

Growing season

212 days

Hardiness zone

More local growing data for Onyx: nearby ZIP 93283 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, S Lake Fs, Ca (5.2 mi from Onyx). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.