Riverside, CA Weather & Growing Conditions
This Afternoon
70°F
Sunny
Sunny, with a high near 70. West wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 10 mph W | 0% |
| Tonight | 50°F | Patchy Fog | 0 to 5 mph SW | 0% |
| Wednesday | 70°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 52°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 75°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 54°F | Mostly Clear | 0 to 10 mph N | 0% |
| Friday | 78°F | Sunny | 5 mph NE | 0% |
| Friday Night | 55°F | Clear | 5 to 20 mph NE | 0% |
| Saturday | 80°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 56°F | Clear | 0 to 20 mph NE | 0% |
| Sunday | 81°F | Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 58°F | Partly Cloudy | 0 to 15 mph E | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Monday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 1% |
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 Nov 4, 2026.