El Sobrante, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for El Sobrante, a community in Riverside County, California.
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. Northeast wind 0 to 5 mph.
7-day forecast for El Sobrante
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Tuesday | 92°F | Sunny | 0 to 15 mph NW | 0% |
| Tuesday Night | 64°F | Mostly Clear | 0 to 15 mph N | 0% |
| Wednesday | 90°F | Sunny | 0 to 15 mph NW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Thursday | 92°F | Sunny | 0 to 15 mph SW | 1% |
| Thursday Night | 66°F | Mostly Clear | 0 to 10 mph W | 1% |
| Friday | 94°F | Sunny | 0 to 15 mph W | 0% |
| Friday Night | 67°F | Mostly Clear | 0 to 15 mph W | 0% |
| Saturday | 95°F | Sunny | 0 to 15 mph W | 0% |
| Saturday Night | 67°F | Mostly Clear | 0 to 15 mph SW | 0% |
| Sunday | 94°F | Sunny | 0 to 15 mph SW | 1% |
| Sunday Night | 66°F | Mostly Clear | 0 to 15 mph W | 1% |
| Monday | 91°F | Sunny | 0 to 10 mph W | 2% |
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 Aug 4, 2026.