Joshua Tree, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Joshua Tree, a community in San Bernardino County, California.
Overnight
50°F
Clear
Clear, with a low around 50. South wind around 5 mph.
7-day forecast for Joshua Tree
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Clear | 5 mph S | 0% |
| Wednesday | 68°F | Sunny | 5 to 10 mph N | 0% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph W | 0% |
| Thursday | 69°F | Mostly Sunny | 6 mph N | 0% |
| Thursday Night | 53°F | Mostly Clear | 5 to 20 mph NNW | 0% |
| Friday | 70°F | Sunny | 10 to 18 mph N | 0% |
| Friday Night | 53°F | Patchy Blowing Dust | 10 to 24 mph NNW | 0% |
| Saturday | 72°F | Sunny | 5 to 14 mph N | 0% |
| Saturday Night | 54°F | Clear | 5 mph NNW | 0% |
| Sunday | 73°F | Sunny | 3 mph NE | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 mph NW | 0% |
| Monday | 73°F | Sunny | 0 to 3 mph ENE | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 3 mph WSW | 0% |
| Tuesday | 73°F | Sunny | 2 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Joshua Tree (34.124, -116.313). Updated through the day.
Growing snapshot for Joshua Tree
Last spring frost
Feb 28
First fall frost
Dec 1
Growing season
273 days
Hardiness zone
9a
More local growing data for Joshua Tree: nearby ZIP 92252 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Joshua Tree, Ca (0.5 mi from Joshua Tree). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.