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El Sobrante, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for El Sobrante, a community in Riverside County, California.

This Afternoon
84°F
Sunny
Sunny, with a high near 84. Northwest wind around 10 mph, with gusts as high as 20 mph.

7-day forecast for El Sobrante

WhenTempForecastWindPrecip
This Afternoon 84°F Sunny 10 mph NW 0%
Tonight 62°F Partly Cloudy 0 to 10 mph NE 0%
Sunday 82°F Mostly Sunny 0 to 15 mph N 0%
Sunday Night 61°F Partly Cloudy 0 to 10 mph N 2%
Monday 77°F Mostly Sunny 0 to 10 mph N 2%
Monday Night 59°F Mostly Clear 0 to 10 mph SW 0%
Tuesday 79°F Sunny 0 to 10 mph W 0%
Tuesday Night 61°F Clear 0 to 10 mph NW 0%
Wednesday 89°F Sunny 0 to 10 mph NW 0%
Wednesday Night 64°F Mostly Clear 0 to 10 mph N 0%
Thursday 91°F Sunny 0 to 10 mph NW 2%
Thursday Night 65°F Mostly Clear 0 to 10 mph W 2%
Friday 89°F Sunny 0 to 10 mph W 2%
Friday Night 66°F Mostly Clear 0 to 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for El Sobrante (33.872, -117.463). Updated through the day.

Growing snapshot for El Sobrante

Last spring frost
Jan 9
First fall frost
Dec 30
Growing season
362 days
Hardiness zone
10a

More local growing data for El Sobrante: nearby ZIP 92503 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Riverside Muni Ap, Ca (4.8 mi from El Sobrante). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.