Harman US

Acton, CA Weather & Growing Conditions

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

Today
84°F
Sunny
Sunny, with a high near 84. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

7-day forecast for Acton

WhenTempForecastWindPrecip
Today 84°F Sunny 5 to 15 mph NNW 0%
Tonight 59°F Partly Cloudy 5 mph SSW 0%
Sunday 83°F Mostly Sunny 5 to 15 mph SW 0%
Sunday Night 58°F Partly Cloudy 10 mph SW 1%
Monday 76°F Sunny 10 to 15 mph SW 1%
Monday Night 56°F Mostly Clear 0 to 15 mph SW 1%
Tuesday 82°F Sunny 0 to 10 mph WNW 0%
Tuesday Night 61°F Clear 0 to 10 mph S 0%
Wednesday 87°F Sunny 0 to 10 mph NE 0%
Wednesday Night 64°F Clear 0 to 10 mph ESE 0%
Thursday 87°F Sunny 0 to 10 mph ESE 2%
Thursday Night 63°F Mostly Clear 0 to 10 mph SSW 2%
Friday 86°F Sunny 0 to 15 mph SW 3%
Friday Night 62°F Mostly Clear 5 to 15 mph SW 2%

Forecast source: National Weather Service (api.weather.gov) for Acton (34.496, -118.184). Updated through the day.

Growing snapshot for Acton

Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
248 days
Hardiness zone
9a

More local growing data for Acton: nearby ZIP 93510 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

All California locations ›

Climate data from the nearest NOAA station, Palmdale, Ca (12.2 mi from Acton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.