Harman US

Joshua Tree, CA Weather & Growing Conditions

Overnight
69°F
Mostly Clear
Mostly clear. Low around 69, with temperatures rising to around 71 overnight. South southwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 69°F Mostly Clear 5 mph SSW 0%
Saturday 91°F Sunny 0 to 7 mph NNW 0%
Saturday Night 72°F Mostly Clear 1 mph WSW 0%
Sunday 92°F Mostly Sunny 1 to 8 mph SSE 0%
Sunday Night 72°F Partly Cloudy 1 to 7 mph SW 1%
Monday 88°F Sunny 1 to 9 mph S 1%
Monday Night 68°F Clear 5 to 8 mph WSW 1%
Tuesday 87°F Sunny 1 to 9 mph N 0%
Tuesday Night 70°F Clear 0 to 5 mph NNW 1%
Wednesday 91°F Sunny 2 to 7 mph ENE 1%
Wednesday Night 71°F Clear 0 to 5 mph W 2%
Thursday 93°F Sunny 1 to 8 mph E 6%
Thursday Night 72°F Mostly Clear 2 to 8 mph SSW 8%
Friday 93°F Sunny 2 to 8 mph S 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Joshua Tree, CA

Last spring frost
Feb 28
First fall frost
Dec 1
Growing season
273 days
Hardiness zone
9a

Explore more for Joshua Tree, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Joshua Tree, Ca (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.