Highland, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland, a city in San Bernardino County, California.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. West wind around 5 mph.
7-day forecast for Highland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 5 mph W | 1% |
| Tonight | 62°F | Mostly Clear | 0 to 10 mph S | 1% |
| Saturday | 89°F | Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 65°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 63°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 82°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 61°F | Mostly Clear | 0 to 5 mph W | 1% |
| Tuesday | 86°F | Sunny | 0 to 5 mph NW | 1% |
| Tuesday Night | 65°F | Clear | 0 to 5 mph N | 1% |
| Wednesday | 94°F | Sunny | 0 to 5 mph NW | 3% |
| Wednesday Night | 69°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 95°F | Sunny | 0 to 5 mph S | 5% |
| Thursday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Highland (34.113, -117.166). Updated through the day.
Growing snapshot for Highland
Last spring frost
Jan 27
First fall frost
Dec 19
Growing season
329 days
Hardiness zone
10a
More local growing data for Highland: nearby ZIP 92346 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Redlands, Ca (6.1 mi from Highland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.