Harman US

Highland, CA Weather & Growing Conditions

Today
98°F
Sunny
Sunny, with a high near 98. West wind 0 to 10 mph, with gusts as high as 20 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 98°F Sunny 0 to 10 mph W 0%
Tonight 68°F Mostly Clear 0 to 10 mph W 0%
Wednesday 95°F Sunny 5 to 10 mph W 1%
Wednesday Night 69°F Mostly Clear 0 to 10 mph N 0%
Thursday 97°F Sunny 0 to 10 mph SW 3%
Thursday Night 70°F Mostly Clear 0 to 5 mph NW 3%
Friday 98°F Sunny 0 to 10 mph W 3%
Friday Night 70°F Mostly Clear 0 to 10 mph NW 0%
Saturday 99°F Sunny 0 to 10 mph W 2%
Saturday Night 71°F Mostly Clear 0 to 10 mph NW 1%
Sunday 98°F Sunny 0 to 10 mph SW 5%
Sunday Night 69°F Mostly Clear 0 to 10 mph N 2%
Monday 94°F Sunny 0 to 10 mph SW 9%
Monday Night 66°F Mostly Clear 0 to 10 mph NW 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Highland, CA

Last spring frost
Jan 27
First fall frost
Dec 19
Growing season
329 days
Hardiness zone
10a

Explore more for Highland, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Redlands, Ca (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.