Kelseyville, CA Weather & Growing Conditions
Overnight
61°F
Mostly Clear
Mostly clear, with a low around 61. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 3 mph SW | 0% |
| Saturday | 85°F | Sunny | 1 to 6 mph W | 0% |
| Saturday Night | 63°F | Partly Cloudy | 2 to 6 mph WNW | 0% |
| Sunday | 82°F | Partly Sunny | 2 to 6 mph ESE | 0% |
| Sunday Night | 63°F | Mostly Cloudy | 1 to 6 mph WNW | 0% |
| Monday | 84°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 62°F | Mostly Clear | 1 to 7 mph WNW | 0% |
| Tuesday | 85°F | Sunny | 1 to 7 mph W | 0% |
| Tuesday Night | 63°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Wednesday | 88°F | Sunny | 2 to 6 mph ESE | 0% |
| Wednesday Night | 67°F | Mostly Clear | 1 to 6 mph NW | 0% |
| Thursday | 87°F | Sunny | 2 to 7 mph S | 0% |
| Thursday Night | 65°F | Partly Cloudy | 2 to 7 mph WNW | 1% |
| Friday | 82°F | Mostly Sunny | 2 to 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kelseyville, CA
Last spring frost
Apr 10
First fall frost
Nov 6
Growing season
209 days
Hardiness zone
9b
Explore more for Kelseyville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Clearlake 4 Se, Ca (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.