Acton, CA Weather & Growing Conditions
Today
88°F
Sunny
Sunny, with a high near 88. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 10 to 15 mph SW | 0% |
| Tonight | 70°F | Clear | 5 to 15 mph SSW | 0% |
| Wednesday | 88°F | Sunny | 5 to 15 mph SW | 0% |
| Wednesday Night | 72°F | Clear | 5 to 15 mph SW | 0% |
| Thursday | 87°F | Sunny | 5 to 15 mph SW | 0% |
| Thursday Night | 70°F | Clear | 5 to 15 mph SSW | 0% |
| Friday | 92°F | Sunny | 5 to 15 mph SW | 0% |
| Friday Night | 71°F | Clear | 5 to 15 mph SW | 0% |
| Saturday | 93°F | Sunny | 5 to 15 mph SW | 1% |
| Saturday Night | 72°F | Clear | 5 to 15 mph SW | 0% |
| Sunday | 92°F | Sunny | 5 to 15 mph SW | 0% |
| Sunday Night | 69°F | Mostly Clear | 10 to 15 mph SSW | 1% |
| Monday | 87°F | Sunny | 10 to 20 mph SSW | 1% |
| Monday Night | 65°F | Mostly Clear | 10 to 20 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Acton, CA
Last spring frost
Mar 13
First fall frost
Dec 1
Growing season
258 days
Hardiness zone
9a
Explore more for Acton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Pearblossom, Ca (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.