Acton, CA Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 10 to 15 mph WSW | 0% |
| Tonight | 63°F | Clear | 5 to 15 mph SW | 0% |
| Wednesday | 98°F | Sunny | 5 to 15 mph SW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Thursday | 98°F | Sunny | 5 to 15 mph SW | 0% |
| Thursday Night | 64°F | Clear | 5 to 15 mph SW | 0% |
| Friday | 100°F | Sunny | 5 to 15 mph SW | 0% |
| Friday Night | 66°F | Clear | 0 to 15 mph SSW | 0% |
| Saturday | 100°F | Sunny | 0 to 15 mph SW | 0% |
| Saturday Night | 67°F | Clear | 0 to 15 mph SW | 0% |
| Sunday | 99°F | Sunny | 0 to 15 mph SW | 1% |
| Sunday Night | 66°F | Mostly Clear | 5 to 15 mph SSW | 1% |
| Monday | 95°F | Sunny | 5 to 20 mph SSW | 2% |
| Monday Night | 63°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 Aug 4, 2026.