Harman US

Whitewater, CA Weather & Growing Conditions

Tonight
54°F
Clear
Clear, with a low around 54. West wind 20 to 25 mph, with gusts as high as 40 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Clear 20 to 25 mph W 0%
Wednesday 70°F Sunny 5 to 15 mph W 0%
Wednesday Night 56°F Mostly Clear 0 to 10 mph N 0%
Thursday 71°F Sunny 5 to 10 mph NE 0%
Thursday Night 59°F Mostly Clear 5 to 10 mph N 0%
Friday 74°F Sunny 10 to 15 mph NE 0%
Friday Night 60°F Clear 10 to 25 mph NE 0%
Saturday 75°F Sunny 10 to 25 mph NE 0%
Saturday Night 62°F Clear 10 to 20 mph N 0%
Sunday 75°F Sunny 5 to 20 mph NE 0%
Sunday Night 63°F Partly Cloudy 5 to 10 mph N 0%
Monday 75°F Mostly Sunny 5 to 10 mph W 0%
Monday Night 62°F Partly Cloudy 5 mph NW 1%
Tuesday 74°F Sunny 5 mph S 1%

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

Growing snapshot for Whitewater, CA

Last spring frost
Feb 25
First fall frost
Dec 15
Growing season
297 days
Hardiness zone
9b

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

Climate data from the nearest NOAA station, Morongo Valley N, Ca (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.