Alta, CA Weather & Growing Conditions
Overnight
73°F
Clear
Clear. Low around 73, with temperatures rising to around 76 overnight. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 2 mph E | 0% |
| Tuesday | 88°F | Sunny | 2 to 6 mph S | 0% |
| Tuesday Night | 71°F | Clear | 3 mph ENE | 0% |
| Wednesday | 87°F | Sunny | 1 to 6 mph SE | 0% |
| Wednesday Night | 71°F | Clear | 1 to 5 mph E | 0% |
| Thursday | 88°F | Sunny | 1 to 6 mph SSE | 0% |
| Thursday Night | 72°F | Clear | 1 to 5 mph SSE | 0% |
| Friday | 88°F | Sunny | 1 to 6 mph SSW | 0% |
| Friday Night | 73°F | Clear | 1 to 5 mph SSE | 0% |
| Saturday | 88°F | Sunny | 1 to 6 mph SSW | 0% |
| Saturday Night | 73°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Sunday | 86°F | Sunny | 2 to 7 mph SSE | 0% |
| Sunday Night | 71°F | Clear | 2 to 6 mph S | 0% |
| Monday | 82°F | Sunny | 2 to 7 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alta, CA
Last spring frost
May 4
First fall frost
Nov 4
Growing season
183 days
Hardiness zone
8b
Explore more for Alta, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.