Alhambra Valley, CA Weather & Growing Conditions
Today
60°F
Light Rain
Rain. Mostly cloudy. High near 60, with temperatures falling to around 55 in the afternoon. South wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Light Rain | 5 to 8 mph S | 84% |
| Tonight | 48°F | Chance Light Rain then Mostly Cloudy | 6 to 9 mph ENE | 54% |
| Wednesday | 65°F | Sunny | 3 to 7 mph NNW | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 to 7 mph WSW | 0% |
| Thursday | 70°F | Sunny | 3 mph WNW | 0% |
| Thursday Night | 50°F | Mostly Clear | 5 mph WSW | 0% |
| Friday | 71°F | Sunny | 3 mph ENE | 0% |
| Friday Night | 49°F | Clear | 0 to 3 mph SSW | 0% |
| Saturday | 72°F | Sunny | 1 to 7 mph NE | 0% |
| Saturday Night | 51°F | Mostly Clear | 0 to 3 mph W | 0% |
| Sunday | 71°F | Mostly Sunny | 3 mph WNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 0 to 3 mph WSW | 0% |
| Monday | 69°F | Partly Sunny | 3 mph WSW | 1% |
| Monday Night | 52°F | Partly Cloudy | 3 mph WSW | 2% |
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 Nov 3, 2026.