Twentynine Palms, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Twentynine Palms, a city in San Bernardino County, California.

Overnight

83°F

Mostly Clear

Mostly clear, with a low around 83. West southwest wind around 5 mph.

7-day forecast for Twentynine Palms

When	Temp	Forecast	Wind	Precip
Overnight	83°F	Mostly Clear	5 mph WSW	0%
Tuesday	111°F	Sunny	2 to 7 mph SE	1%
Tuesday Night	84°F	Mostly Clear	2 to 10 mph SW	1%
Wednesday	109°F	Sunny	1 to 8 mph ESE	0%
Wednesday Night	84°F	Mostly Clear	2 to 9 mph SW	0%
Thursday	109°F	Sunny	1 to 6 mph SSE	1%
Thursday Night	85°F	Mostly Clear	1 to 7 mph SW	1%
Friday	110°F	Sunny	3 mph SSE	4%
Friday Night	86°F	Mostly Clear	6 mph SW	1%
Saturday	111°F	Sunny	2 to 7 mph SSE	2%
Saturday Night	86°F	Mostly Clear	2 to 8 mph SSW	4%
Sunday	109°F	Sunny	2 to 12 mph S	5%
Sunday Night	84°F	Mostly Clear	2 to 13 mph SSW	3%
Monday	106°F	Sunny	2 to 10 mph S	9%

Forecast source: National Weather Service (api.weather.gov) for Twentynine Palms (34.148, -116.066). Updated through the day.

Growing snapshot for Twentynine Palms

Last spring frost

Jan 24

First fall frost

Dec 10

Growing season

321 days

Hardiness zone

More local growing data for Twentynine Palms: nearby ZIP 92278 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Twentynine Palms, Ca (7.5 mi from Twentynine Palms). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.