Acton, CA Weather & Growing Conditions
Today
87°F
Sunny
Sunny, with a high near 87. North wind 5 to 15 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 to 15 mph N | 0% |
| Tonight | 57°F | Partly Cloudy | 5 mph SSE | 0% |
| Sunday | 84°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 5 to 10 mph SSW | 1% |
| Monday | 77°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 53°F | Mostly Clear | 0 to 10 mph SSW | 1% |
| Tuesday | 85°F | Sunny | 0 to 10 mph WSW | 0% |
| Tuesday Night | 59°F | Clear | 0 to 10 mph ENE | 0% |
| Wednesday | 89°F | Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 62°F | Clear | 0 to 10 mph SE | 0% |
| Thursday | 89°F | Sunny | 0 to 10 mph E | 2% |
| Thursday Night | 61°F | Mostly Clear | 0 to 10 mph SSW | 2% |
| Friday | 88°F | Sunny | 0 to 15 mph SSW | 3% |
| Friday Night | 60°F | Mostly Clear | 5 to 15 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Acton, CA
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
248 days
Hardiness zone
9a
Explore more for Acton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Palmdale, Ca (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.