Harman US

Descanso, CA Weather & Growing Conditions

Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Partly Cloudy 5 to 10 mph NW 7%
Wednesday 67°F Sunny 0 to 10 mph NW 0%
Wednesday Night 50°F Mostly Clear 0 to 10 mph E 0%
Thursday 71°F Sunny 0 to 10 mph NE 0%
Thursday Night 51°F Mostly Clear 0 to 5 mph NE 0%
Friday 72°F Sunny 5 to 10 mph NE 0%
Friday Night 54°F Clear 5 to 10 mph NE 0%
Saturday 73°F Sunny 5 to 15 mph E 0%
Saturday Night 56°F Mostly Clear 5 to 15 mph E 0%
Sunday 74°F Sunny 5 to 15 mph E 1%
Sunday Night 57°F Partly Cloudy 5 to 10 mph E 0%
Monday 74°F Mostly Sunny 0 to 5 mph N 0%
Monday Night 56°F Partly Cloudy 0 mph 1%
Tuesday 73°F Mostly Sunny 0 to 5 mph W 1%

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

Growing snapshot for Descanso, CA

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

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

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