Harman US

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

WhenTempForecastWindPrecip
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.