Lake Isabella, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Isabella, a community in Kern County, California.
Today
91°F
Sunny
Sunny. High near 91, with temperatures falling to around 88 in the afternoon. Southeast wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Lake Isabella
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 0 to 10 mph SE | 0% |
| Tonight | 63°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Sunday | 93°F | Mostly Sunny | 0 to 10 mph E | 0% |
| Sunday Night | 64°F | Mostly Cloudy | 5 mph NNW | 2% |
| Monday | 87°F | Mostly Sunny | 5 to 10 mph WNW | 8% |
| Monday Night | 60°F | Mostly Clear | 5 to 10 mph NNW | 3% |
| Tuesday | 88°F | Sunny | 0 to 10 mph NW | 1% |
| Tuesday Night | 64°F | Clear | 5 to 10 mph N | 0% |
| Wednesday | 94°F | Sunny | 0 to 10 mph ESE | 0% |
| Wednesday Night | 66°F | Clear | 5 to 10 mph NE | 0% |
| Thursday | 95°F | Sunny | 5 to 15 mph ESE | 1% |
| Thursday Night | 67°F | Mostly Clear | 5 to 10 mph ESE | 1% |
| Friday | 93°F | Sunny | 5 to 15 mph SSW | 3% |
| Friday Night | 65°F | Mostly Clear | 5 to 15 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lake Isabella (35.637, -118.483). Updated through the day.
Growing snapshot for Lake Isabella
Last spring frost
Apr 5
First fall frost
Nov 3
Growing season
212 days
Hardiness zone
9a
More local growing data for Lake Isabella: nearby ZIP 93240 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, S Lake Fs, Ca (5.5 mi from Lake Isabella). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.