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
71°F
Sunny
Sunny, with a high near 71. Northwest wind 0 to 5 mph.
7-day forecast for El Sobrante
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 0 to 5 mph NW | 0% |
| Tonight | 55°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 75°F | Mostly Sunny | 0 to 10 mph NE | 0% |
| Thursday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 77°F | Sunny | 5 to 10 mph NE | 0% |
| Friday Night | 57°F | Clear | 5 to 20 mph NE | 0% |
| Saturday | 80°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 58°F | Clear | 0 to 20 mph NE | 0% |
| Sunday | 81°F | Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 58°F | Partly Cloudy | 0 to 20 mph NE | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 78°F | Sunny | 0 mph | 0% |
| Tuesday Night | 58°F | Mostly Clear | 0 mph | 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 Nov 5, 2026.