Acton, CA Weather & Growing Conditions
This Afternoon
87°F
Sunny
Sunny, with a high near 87. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 54°F | Partly Cloudy | 5 mph SE | 0% |
| Sunday | 86°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 52°F | Partly Cloudy | 5 to 10 mph SW | 1% |
| Monday | 80°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 50°F | Mostly Clear | 5 to 15 mph SSW | 0% |
| Tuesday | 81°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 60°F | Clear | 0 to 10 mph ENE | 0% |
| Wednesday | 89°F | Sunny | 5 to 15 mph NE | 0% |
| Wednesday Night | 63°F | Clear | 0 to 10 mph E | 0% |
| Thursday | 90°F | Sunny | 5 to 10 mph ESE | 0% |
| Thursday Night | 63°F | Mostly Clear | 0 to 10 mph S | 0% |
| Friday | 88°F | Sunny | 0 to 15 mph SSW | 2% |
| Friday Night | 61°F | Mostly Clear | 5 to 15 mph SSW | 1% |
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 20, 2026.