Highgrove, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highgrove, a community in Riverside County, California.
This Afternoon
71°F
Sunny
Sunny, with a high near 71. West wind around 10 mph.
7-day forecast for Highgrove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 10 mph W | 0% |
| Tonight | 53°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Friday | 80°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 56°F | Clear | 5 to 15 mph NE | 0% |
| Saturday | 82°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 57°F | Clear | 0 to 15 mph NE | 0% |
| Sunday | 83°F | Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 60°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 59°F | Partly Cloudy | 0 to 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Highgrove (34.011, -117.310). Updated through the day.
Growing snapshot for Highgrove
Last spring frost
Jan 10
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a
More local growing data for Highgrove: nearby ZIP 92507 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Riverside Citrus Exp, Ca (3.5 mi from Highgrove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.