Cobb, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cobb, a community in Lake County, California.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. North northwest wind around 5 mph.
7-day forecast for Cobb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph NNW | 0% |
| Saturday | 84°F | Sunny | 5 mph NNW | 0% |
| Saturday Night | 64°F | Partly Cloudy | 6 mph NW | 0% |
| Sunday | 80°F | Mostly Cloudy | 5 mph ESE | 0% |
| Sunday Night | 62°F | Mostly Cloudy | 5 mph WNW | 0% |
| Monday | 81°F | Sunny | 6 mph WSW | 0% |
| Monday Night | 61°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 83°F | Sunny | 6 mph WSW | 0% |
| Tuesday Night | 63°F | Clear | 6 mph NW | 0% |
| Wednesday | 86°F | Sunny | 5 mph ESE | 0% |
| Wednesday Night | 68°F | Mostly Clear | 5 mph NW | 0% |
| Thursday | 86°F | Sunny | 6 mph SSE | 0% |
| Thursday Night | 65°F | Partly Cloudy | 6 mph W | 1% |
| Friday | 80°F | Mostly Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Cobb (38.835, -122.722). Updated through the day.
Growing snapshot for Cobb
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
More local growing data for Cobb: nearby ZIP 95426 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Clearlake
Clearlake Oaks
Clearlake Riviera
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 (10.9 mi from Cobb). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.