Riverside, CA Weather & Growing Conditions
Tonight
58°F
Mostly Clear
Mostly clear, with a low around 58. North wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Clear | 0 to 10 mph N | 0% |
| Saturday | 85°F | Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 60°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Sunday | 82°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 0 to 5 mph SW | 2% |
| Monday | 79°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Monday Night | 58°F | Mostly Clear | 0 to 10 mph W | 0% |
| Tuesday | 82°F | Sunny | 0 to 10 mph NW | 0% |
| Tuesday Night | 61°F | Clear | 0 to 10 mph N | 0% |
| Wednesday | 91°F | Sunny | 0 to 10 mph NW | 2% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 10 mph NW | 4% |
| Thursday | 92°F | Sunny | 0 to 5 mph N | 5% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Friday | 91°F | Sunny | 0 to 10 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Riverside, CA
Last spring frost
Jan 9
First fall frost
Dec 25
Growing season
353 days
Hardiness zone
9b
Explore more for Riverside, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Riverside Fire Stn 3, Ca (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.