Clearlake Oaks, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clearlake Oaks, a community in Lake County, California.
This Afternoon
86°F
Sunny
Sunny, with a high near 86. West wind 5 to 9 mph.
7-day forecast for Clearlake Oaks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Sunny | 5 to 9 mph W | 0% |
| Tonight | 56°F | Clear | 2 to 9 mph WNW | 0% |
| Saturday | 92°F | Sunny | 1 to 8 mph NW | 0% |
| Saturday Night | 58°F | Partly Cloudy | 1 to 8 mph WNW | 0% |
| Sunday | 89°F | Partly Sunny | 1 to 5 mph E | 0% |
| Sunday Night | 58°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Monday | 92°F | Sunny | 0 to 8 mph N | 0% |
| Monday Night | 58°F | Mostly Clear | 0 to 8 mph WNW | 0% |
| Tuesday | 94°F | Sunny | 0 to 8 mph WSW | 0% |
| Tuesday Night | 59°F | Mostly Clear | 1 to 8 mph NW | 0% |
| Wednesday | 96°F | Sunny | 1 to 5 mph E | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Thursday | 95°F | Sunny | 0 to 8 mph SE | 0% |
| Thursday Night | 59°F | Partly Cloudy | 1 to 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Clearlake Oaks (39.021, -122.657). Updated through the day.
Growing snapshot for Clearlake Oaks
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9a
More local growing data for Clearlake Oaks: nearby ZIP 95422 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Clearlake
Clearlake Riviera
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 (5.9 mi from Clearlake Oaks). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.