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Alhambra, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Alhambra, a city in Los Angeles County, California.

Overnight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. South wind around 0 mph.

7-day forecast for Alhambra

WhenTempForecastWindPrecip
Overnight 68°F Partly Cloudy 0 mph 0%
Tuesday 91°F Sunny 0 to 10 mph SSW 0%
Tuesday Night 67°F Mostly Clear 0 to 5 mph SSW 0%
Wednesday 90°F Sunny 0 to 5 mph SW 0%
Wednesday Night 68°F Mostly Clear 0 to 5 mph SSW 0%
Thursday 91°F Sunny 0 to 5 mph SW 0%
Thursday Night 67°F Mostly Clear 0 to 5 mph SSW 0%
Friday 92°F Sunny 0 to 5 mph S 0%
Friday Night 67°F Mostly Clear 0 to 5 mph SSW 0%
Saturday 93°F Sunny 0 to 5 mph SSW 0%
Saturday Night 68°F Mostly Clear 0 to 5 mph SSW 0%
Sunday 92°F Sunny 0 to 5 mph S 0%
Sunday Night 67°F Mostly Clear 0 to 5 mph S 1%
Monday 89°F Sunny 0 to 10 mph S 1%

Forecast source: National Weather Service (api.weather.gov) for Alhambra (34.084, -118.136). Updated through the day.

Growing snapshot for Alhambra

Last spring frost
Jan 4
First fall frost
Jan 2
Growing season
365 days
Hardiness zone
10a

More local growing data for Alhambra: nearby ZIP 91801 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, San Gabriel Fire Dept, Ca (1.6 mi from Alhambra). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.