Alpine, CA Weather & Growing Conditions
Tonight
54°F
Mostly Clear
Mostly clear, with a low around 54. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Saturday | 82°F | Sunny | 0 to 10 mph NW | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 80°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 77°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 53°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Tuesday | 80°F | Sunny | 0 to 10 mph NW | 0% |
| Tuesday Night | 57°F | Mostly Clear | 0 to 10 mph N | 0% |
| Wednesday | 87°F | Sunny | 0 to 10 mph N | 4% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 89°F | Sunny | 0 to 10 mph W | 5% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph N | 2% |
| Friday | 88°F | Sunny | 0 to 5 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alpine, CA
Last spring frost
Feb 12
First fall frost
Dec 24
Growing season
317 days
Hardiness zone
9b
Explore more for Alpine, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Alpine, Ca (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.