Alpine, CA Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. West wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 0 to 10 mph W | 1% |
| Tonight | 64°F | Mostly Clear | 0 to 10 mph NW | 1% |
| Wednesday | 89°F | Sunny | 0 to 10 mph W | 4% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 5 mph S | 2% |
| Thursday | 90°F | Sunny | 0 to 10 mph SW | 5% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph SW | 3% |
| Friday | 90°F | Sunny | 0 to 10 mph W | 1% |
| Friday Night | 67°F | Mostly Clear | 0 to 10 mph W | 0% |
| Saturday | 93°F | Sunny | 0 to 10 mph W | 2% |
| Saturday Night | 68°F | Mostly Clear | 0 to 10 mph S | 1% |
| Sunday | 92°F | Sunny | 0 to 10 mph SW | 6% |
| Sunday Night | 67°F | Mostly Clear | 0 to 10 mph S | 6% |
| Monday | 89°F | Sunny | 0 to 10 mph SW | 8% |
| Monday Night | 64°F | Mostly Clear | 0 to 10 mph S | 2% |
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 Aug 4, 2026.