Alhambra Valley, CA Weather & Growing Conditions
Overnight
57°F
Clear
Clear, with a low around 57. Southwest wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Clear | 12 mph SW | 0% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 57°F | Partly Cloudy | 12 mph SW | 0% |
| Sunday | 74°F | Partly Sunny | 10 mph SW | 2% |
| Sunday Night | 56°F | Mostly Cloudy | 13 mph SW | 2% |
| Monday | 76°F | Sunny | 9 to 13 mph SW | 0% |
| Monday Night | 56°F | Mostly Clear | 10 to 14 mph SW | 0% |
| Tuesday | 78°F | Sunny | 6 to 10 mph SW | 0% |
| Tuesday Night | 56°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Wednesday | 90°F | Sunny | 2 to 6 mph W | 0% |
| Wednesday Night | 60°F | Mostly Clear | 6 mph SW | 0% |
| Thursday | 91°F | Sunny | 2 to 9 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 9 mph SW | 0% |
| Friday | 82°F | Sunny | 10 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alhambra Valley, CA
Last spring frost
Feb 28
First fall frost
Nov 22
Growing season
266 days
Hardiness zone
9b
Explore more for Alhambra Valley, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Martinez Wtp, Ca (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.