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.
This Afternoon
87°F
Sunny
Sunny. High near 87, with temperatures falling to around 85 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for Joshua Tree
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 0 to 5 mph NW | 0% |
| Tonight | 68°F | Clear | 0 to 5 mph SSW | 0% |
| Saturday | 88°F | Sunny | 0 to 6 mph NNE | 0% |
| Saturday Night | 70°F | Mostly Clear | 1 mph W | 0% |
| Sunday | 89°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Sunday Night | 70°F | Partly Cloudy | 1 to 6 mph SW | 1% |
| Monday | 85°F | Sunny | 1 to 9 mph S | 1% |
| Monday Night | 67°F | Clear | 5 to 8 mph W | 1% |
| Tuesday | 86°F | Sunny | 2 to 9 mph NNE | 1% |
| Tuesday Night | 69°F | Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 89°F | Sunny | 5 to 8 mph NE | 3% |
| Wednesday Night | 71°F | Mostly Clear | 0 to 5 mph S | 4% |
| Thursday | 91°F | Sunny | 1 to 7 mph E | 7% |
| Thursday Night | 72°F | Mostly Clear | 1 to 7 mph SW | 7% |
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 Sep 18, 2026.