Kelseyville, CA Weather & Growing Conditions
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 96°F | Sunny | 5 to 9 mph SSE | 0% |
| Tuesday Night | 70°F | Mostly Clear | 1 to 9 mph SSW | 0% |
| Wednesday | 94°F | Sunny | 1 to 10 mph S | 0% |
| Wednesday Night | 68°F | Clear | 1 to 9 mph W | 0% |
| Thursday | 95°F | Sunny | 1 to 7 mph SSW | 0% |
| Thursday Night | 70°F | Mostly Clear | 2 to 7 mph WNW | 0% |
| Friday | 97°F | Sunny | 2 to 8 mph SW | 0% |
| Friday Night | 72°F | Clear | 1 to 8 mph WNW | 0% |
| Saturday | 97°F | Sunny | 1 to 8 mph W | 0% |
| Saturday Night | 70°F | Mostly Clear | 3 to 8 mph WNW | 0% |
| Sunday | 94°F | Sunny | 3 to 9 mph W | 0% |
| Sunday Night | 66°F | Clear | 2 to 9 mph WNW | 0% |
| Monday | 89°F | Sunny | 2 to 8 mph S | 0% |
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 Aug 4, 2026.