Whitewater, CA Weather & Growing Conditions
Tonight
71°F
Clear
Clear, with a low around 71. West wind 15 to 25 mph, with gusts as high as 40 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 15 to 25 mph W | 0% |
| Saturday | 90°F | Sunny | 5 to 15 mph W | 0% |
| Saturday Night | 74°F | Mostly Clear | 10 to 15 mph W | 0% |
| Sunday | 88°F | Mostly Sunny | 5 to 15 mph S | 0% |
| Sunday Night | 74°F | Partly Cloudy | 15 to 25 mph W | 1% |
| Monday | 84°F | Sunny | 10 to 25 mph W | 1% |
| Monday Night | 69°F | Clear | 20 to 25 mph W | 0% |
| Tuesday | 87°F | Sunny | 5 to 20 mph S | 1% |
| Tuesday Night | 73°F | Clear | 5 to 15 mph NW | 0% |
| Wednesday | 90°F | Sunny | 5 to 20 mph E | 2% |
| Wednesday Night | 75°F | Mostly Clear | 5 to 15 mph NW | 5% |
| Thursday | 91°F | Sunny | 10 to 20 mph E | 8% |
| Thursday Night | 76°F | Mostly Clear | 10 mph W | 4% |
| Friday | 90°F | Sunny | 10 mph SW | 12% |
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 Sep 19, 2026.