Clearlake Riviera, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clearlake Riviera, a community in Lake County, California.
Today
100°F
Sunny
Sunny, with a high near 100. South southeast wind 3 to 10 mph.
7-day forecast for Clearlake Riviera
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 3 to 10 mph SSE | 0% |
| Tonight | 69°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 98°F | Sunny | 0 to 9 mph SE | 0% |
| Wednesday Night | 67°F | Clear | 1 to 5 mph W | 0% |
| Thursday | 100°F | Sunny | 0 to 6 mph WSW | 0% |
| Thursday Night | 68°F | Mostly Clear | 1 to 6 mph W | 0% |
| Friday | 101°F | Sunny | 1 to 7 mph WSW | 0% |
| Friday Night | 71°F | Clear | 0 to 7 mph WNW | 0% |
| Saturday | 102°F | Sunny | 0 to 8 mph NNW | 0% |
| Saturday Night | 69°F | Mostly Clear | 3 to 8 mph WNW | 0% |
| Sunday | 98°F | Sunny | 2 to 8 mph NW | 0% |
| Sunday Night | 65°F | Mostly Clear | 1 to 8 mph W | 0% |
| Monday | 93°F | Sunny | 1 to 7 mph SE | 0% |
| Monday Night | 62°F | Mostly Clear | 1 to 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Clearlake Riviera (38.951, -122.722). Updated through the day.
Growing snapshot for Clearlake Riviera
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
More local growing data for Clearlake Riviera: nearby ZIP 95451 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Clearlake
Clearlake Oaks
Cobb
Hidden Valley Lake
Kelseyville
Lakeport
Lower Lake
Lucerne
Middletown
Nice
North Lakeport
Soda Bay
Spring Valley
Upper Lake
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (12 mi from Clearlake Riviera). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.