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Descanso, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Descanso, a community in San Diego County, California.

Today
91°F
Sunny
Sunny, with a high near 91. West wind 5 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Descanso

WhenTempForecastWindPrecip
Today 91°F Sunny 5 to 15 mph W 3%
Tonight 65°F Mostly Clear 0 to 10 mph NE 2%
Wednesday 90°F Sunny 0 to 10 mph SW 5%
Wednesday Night 67°F Mostly Clear 0 to 5 mph NE 3%
Thursday 90°F Sunny 0 to 10 mph SW 7%
Thursday Night 67°F Mostly Clear 0 to 5 mph SW 4%
Friday 90°F Sunny 0 to 10 mph SW 4%
Friday Night 67°F Mostly Clear 0 to 10 mph W 0%
Saturday 93°F Sunny 0 to 10 mph SW 3%
Saturday Night 68°F Mostly Clear 0 to 10 mph SW 1%
Sunday 92°F Sunny 0 to 10 mph SW 8%
Sunday Night 67°F Mostly Clear 0 to 5 mph S 6%
Monday 88°F Sunny 0 to 10 mph SW 10%
Monday Night 64°F Mostly Clear 0 to 10 mph SW 2%

Forecast source: National Weather Service (api.weather.gov) for Descanso (32.870, -116.628). Updated through the day.

Growing snapshot for Descanso

Last spring frost
Apr 19
First fall frost
Oct 27
Growing season
190 days
Hardiness zone
9b

More local growing data for Descanso: nearby ZIP 91916 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Cuyamaca, Ca (6 mi from Descanso). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.