Lake Riverside, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Riverside, a community in Riverside County, California.
Today
93°F
Sunny
Sunny, with a high near 93. West wind 0 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Lake Riverside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 0 to 15 mph W | 1% |
| Tonight | 65°F | Mostly Clear | 0 to 10 mph S | 1% |
| Wednesday | 91°F | Sunny | 5 to 15 mph W | 2% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 10 mph E | 0% |
| Thursday | 92°F | Sunny | 0 to 10 mph W | 4% |
| Thursday Night | 66°F | Mostly Clear | 0 to 10 mph NW | 2% |
| Friday | 93°F | Sunny | 0 to 10 mph NW | 3% |
| Friday Night | 67°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Saturday | 95°F | Sunny | 0 to 10 mph NW | 1% |
| Saturday Night | 67°F | Mostly Clear | 0 to 10 mph NW | 1% |
| Sunday | 93°F | Sunny | 0 to 10 mph NW | 10% |
| Sunday Night | 65°F | Mostly Clear | 0 to 10 mph NW | 3% |
| Monday | 89°F | Sunny | 0 to 10 mph W | 13% |
| Monday Night | 62°F | Mostly Clear | 0 to 10 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lake Riverside (33.519, -116.812). Updated through the day.
Growing snapshot for Lake Riverside
Last spring frost
Apr 29
First fall frost
Nov 18
Growing season
201 days
Hardiness zone
9b
More local growing data for Lake Riverside: nearby ZIP 92536 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Palomar Mtn Obsy, Ca (8 mi from Lake Riverside). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.