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

71°F

Mostly Clear

Mostly clear, with a low around 71. West wind around 13 mph.

7-day forecast for Twentynine Palms

When	Temp	Forecast	Wind	Precip
Overnight	71°F	Mostly Clear	13 mph W	0%
Saturday	94°F	Sunny	1 to 14 mph NNW	0%
Saturday Night	73°F	Mostly Clear	0 to 6 mph W	0%
Sunday	95°F	Mostly Sunny	3 to 9 mph ESE	0%
Sunday Night	74°F	Partly Cloudy	2 to 6 mph SW	2%
Monday	92°F	Sunny	3 to 9 mph S	1%
Monday Night	70°F	Mostly Clear	6 to 13 mph WSW	0%
Tuesday	91°F	Sunny	0 to 13 mph N	0%
Tuesday Night	72°F	Clear	0 to 8 mph WNW	0%
Wednesday	95°F	Sunny	3 to 9 mph ENE	0%
Wednesday Night	73°F	Mostly Clear	0 to 3 mph W	3%
Thursday	96°F	Sunny	2 to 9 mph SSE	5%
Thursday Night	74°F	Mostly Clear	2 to 8 mph SSW	7%
Friday	96°F	Sunny	3 to 8 mph S	8%

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 Sep 19, 2026.