Alhambra Valley, CA Weather & Growing Conditions
Overnight
58°F
Clear
Clear, with a low around 58. Southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Clear | 10 mph SW | 0% |
| Tuesday | 96°F | Sunny | 8 to 12 mph WSW | 0% |
| Tuesday Night | 57°F | Clear | 13 mph WSW | 0% |
| Wednesday | 89°F | Sunny | 8 to 12 mph WSW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 9 to 13 mph WSW | 0% |
| Thursday | 86°F | Sunny | 7 to 12 mph WSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 12 mph WSW | 0% |
| Friday | 92°F | Sunny | 7 to 10 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 to 13 mph SW | 0% |
| Saturday | 91°F | Sunny | 6 to 12 mph WSW | 0% |
| Saturday Night | 62°F | Mostly Clear | 13 mph SW | 0% |
| Sunday | 87°F | Sunny | 9 to 14 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 16 mph SW | 0% |
| Monday | 80°F | Sunny | 12 to 16 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 Aug 4, 2026.