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
54°F
Clear
Clear, with a low around 54. West northwest wind around 9 mph.
7-day forecast for Twentynine Palms
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Clear | 9 mph WNW | 0% |
| Wednesday | 73°F | Sunny | 6 to 17 mph NW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 12 mph W | 0% |
| Thursday | 74°F | Mostly Sunny | 5 to 9 mph NNW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 5 to 20 mph WNW | 0% |
| Friday | 75°F | Sunny | 13 to 22 mph NW | 0% |
| Friday Night | 56°F | Clear | 12 to 20 mph NW | 0% |
| Saturday | 77°F | Sunny | 3 to 15 mph NNW | 0% |
| Saturday Night | 57°F | Clear | 3 to 7 mph WNW | 0% |
| Sunday | 78°F | Sunny | 1 to 5 mph NNE | 0% |
| Sunday Night | 58°F | Mostly Clear | 1 mph WNW | 0% |
| Monday | 78°F | Sunny | 2 mph NE | 0% |
| Monday Night | 58°F | Partly Cloudy | 2 mph SSW | 0% |
| Tuesday | 78°F | Sunny | 2 mph NE | 0% |
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
9b
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 Nov 4, 2026.