Harman US

Running Springs, CA Weather & Growing Conditions

Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 63°F Mostly Clear 10 mph S 0%
Tuesday 81°F Sunny 10 mph SW 1%
Tuesday Night 63°F Mostly Clear 5 to 10 mph S 0%
Wednesday 82°F Sunny 5 to 10 mph SW 1%
Wednesday Night 64°F Mostly Clear 0 to 5 mph W 0%
Thursday 82°F Sunny 0 to 5 mph S 5%
Thursday Night 63°F Mostly Clear 0 to 5 mph S 4%
Friday 82°F Sunny 0 to 5 mph SW 7%
Friday Night 64°F Mostly Clear 0 to 5 mph S 2%
Saturday 82°F Sunny 0 to 5 mph SW 9%
Saturday Night 65°F Mostly Clear 0 to 5 mph S 3%
Sunday 81°F Sunny 0 to 10 mph S 10%
Sunday Night 62°F Mostly Clear 5 to 10 mph S 4%
Monday 77°F Sunny 5 to 10 mph S 14%

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

Growing snapshot for Running Springs, CA

Last spring frost
May 5
First fall frost
Nov 2
Growing season
176 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Lake Arrowhead, Ca (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.