Harman US

Crestline, CA Weather & Growing Conditions

Overnight
43°F
Clear
Clear, with a low around 43. Southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 43°F Clear 5 mph SE 1%
Wednesday 59°F Sunny 0 to 5 mph N 1%
Wednesday Night 45°F Mostly Clear 5 to 10 mph N 0%
Thursday 62°F Mostly Sunny 0 to 10 mph N 0%
Thursday Night 48°F Partly Cloudy 10 to 15 mph NE 0%
Friday 64°F Sunny 5 to 15 mph N 0%
Friday Night 48°F Clear 10 to 20 mph N 0%
Saturday 66°F Sunny 0 to 15 mph N 0%
Saturday Night 49°F Clear 0 to 15 mph N 0%
Sunday 67°F Sunny 0 to 15 mph N 0%
Sunday Night 51°F Mostly Clear 0 to 10 mph NE 0%
Monday 65°F Sunny 0 to 10 mph N 0%
Monday Night 50°F Partly Cloudy 0 to 5 mph E 1%
Tuesday 64°F Sunny 0 to 5 mph SE 3%

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

Growing snapshot for Crestline, CA

Last spring frost
May 5
First fall frost
Nov 2
Growing season
176 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Lake Arrowhead, Ca (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.