Kelseyville, CA Weather & Growing Conditions
Today
60°F
Partly Sunny
Partly sunny. High near 60, with temperatures falling to around 56 in the afternoon. North wind 1 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Partly Sunny | 1 to 9 mph N | 2% |
| Tonight | 44°F | Partly Cloudy | 5 to 9 mph W | 2% |
| Thursday | 67°F | Sunny | 5 mph WNW | 0% |
| Thursday Night | 48°F | Mostly Clear | 2 mph NNW | 0% |
| Friday | 70°F | Sunny | 2 mph NW | 0% |
| Friday Night | 52°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 70°F | Sunny | 3 mph ESE | 0% |
| Saturday Night | 49°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 68°F | Mostly Sunny | 3 mph NW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 2 mph NNW | 0% |
| Monday | 64°F | Mostly Sunny | 3 mph WNW | 2% |
| Monday Night | 49°F | Partly Cloudy | 3 mph NW | 2% |
| Tuesday | 66°F | Sunny then Slight Chance Light Rain | 3 mph W | 15% |
| Tuesday Night | 49°F | Slight Chance Light Rain | 3 mph WSW | 22% |
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 Nov 4, 2026.