Crestline, CA Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Tonight | 63°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Sunday | 76°F | Mostly Sunny | 0 to 15 mph SE | 1% |
| Sunday Night | 60°F | Mostly Clear | 5 to 15 mph SE | 1% |
| Monday | 69°F | Sunny | 0 to 10 mph S | 1% |
| Monday Night | 57°F | Mostly Clear | 0 to 5 mph S | 1% |
| Tuesday | 72°F | Sunny | 0 to 5 mph W | 0% |
| Tuesday Night | 62°F | Clear | 0 to 10 mph NE | 0% |
| Wednesday | 80°F | Sunny | 5 to 10 mph E | 0% |
| Wednesday Night | 65°F | Clear | 5 to 10 mph SE | 0% |
| Thursday | 81°F | Sunny | 5 to 10 mph S | 4% |
| Thursday Night | 67°F | Mostly Clear | 5 mph S | 1% |
| Friday | 79°F | Sunny | 5 to 10 mph S | 6% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 1% |
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 Sep 19, 2026.