Harman US

Kelseyville, CA Weather & Growing Conditions

Today
64°F
Patchy Fog then Partly Sunny
Patchy fog before 10am. Partly sunny. High near 64, with temperatures falling to around 60 in the afternoon. West wind 2 to 9 mph, with gusts as high as 18 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 64°F Patchy Fog then Partly Sunny 2 to 9 mph W 2%
Tonight 38°F Partly Cloudy 1 to 9 mph WSW 2%
Thursday 70°F Sunny 2 mph WNW 0%
Thursday Night 41°F Mostly Clear 1 mph NNW 0%
Friday 73°F Sunny 2 mph NNW 0%
Friday Night 43°F Mostly Clear 1 mph N 0%
Saturday 76°F Sunny 3 mph SE 0%
Saturday Night 42°F Mostly Clear 2 mph NNW 0%
Sunday 72°F Mostly Sunny 3 mph NW 0%
Sunday Night 43°F Partly Cloudy then Patchy Fog 1 mph NNW 0%
Monday 67°F Patchy Fog then Mostly Sunny 3 mph WNW 2%
Monday Night 41°F Partly Cloudy then Patchy Fog 2 mph NW 3%
Tuesday 68°F Patchy Fog then Slight Chance Light Rain 0 to 3 mph W 15%
Tuesday Night 42°F Slight Chance Light Rain 2 mph ENE 23%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Kelseyville, CA

Last spring frost
Feb 25
First fall frost
Dec 3
Growing season
279 days
Hardiness zone
8b

Explore more for Kelseyville, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Cloverdale, Ca (16.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.