Cobb, CA Weather & Growing Conditions
This Afternoon
48°F
Light Rain
Rain. Mostly cloudy, with a high near 48. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Light Rain | 6 mph SE | 81% |
| Tonight | 41°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph E | 39% |
| Wednesday | 57°F | Mostly Sunny | 2 to 8 mph N | 1% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 6 mph WNW | 0% |
| Thursday | 63°F | Sunny | 0 to 5 mph WNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 3 mph NW | 0% |
| Friday | 67°F | Sunny | 3 mph NW | 0% |
| Friday Night | 52°F | Mostly Clear | 3 mph N | 0% |
| Saturday | 67°F | Sunny | 3 mph ESE | 0% |
| Saturday Night | 49°F | Mostly Clear | 1 to 5 mph WNW | 0% |
| Sunday | 66°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Sunday Night | 50°F | Mostly Cloudy | 3 mph WNW | 0% |
| Monday | 62°F | Partly Sunny | 5 mph WNW | 3% |
| Monday Night | 50°F | Partly Cloudy | 3 mph NW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cobb, CA
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
Explore more for Cobb, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.