Acton, CA Weather
Acton, CA climate is hot during summer when temperatures tend to be in the 80's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is July with an average maximum temperature of 97.50 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 33.30 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 32 degrees Fahrenheit, and moderate during winter with an average difference of 25 degrees Fahrenheit.
The annual average precipitation at Acton is 8.79 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is March with an average rainfall of 1.92 Inches.
Weather Data
Weather Warnings
| Wind advisory in effect until noon pst today . |
Current Conditions
|
Fair, 34°F | Humidity: 40% | Dewpoint: 12°F |
| Wind Speed: CALM | Heat Index: 34°F | ||
| Barometer: 30.26 in. | Wind Chill: 34°F |
Weather Forecast
 | Hi: 69°F | Today: Sunny and windy. Highs from the upper 60s and 70s at Low elevations to the mid 50s to mid 60s at Higher elevations. Northeast winds 25 to 35 mph with gusts to 55 mph Decreasing to 15 to 25 mph in the afternoon. |
 | Hi: 59°F | Wednesday: Sunny and breezy. Highs from the 70s to lower 80s at Low elevations to the upper 50s and 60s at Higher elevations. Northeast winds 20 to 30 mph Decreasing to 15 to 25 mph in the afternoon. |
| Hi: 69°F | Thanksgiving day: Sunny. Highs from the upper 60s and 70s at Low elevations to the mid 50s to mid 60s at Higher elevations. East winds 15 to 25 mph. |
| Hi: 55°F | Friday: Mostly sunny. Highs in the 50s and 60s. |
| Hi: 67°F | Saturday: Mostly sunny...Except for low clouds and fog on the northern slopes. Highs in the mid 50s to upper 60s. |
| Hi: 70°F | Sunday: Mostly clear. Breezy. Highs in the upper 50s to mid 70s. Lows from the upper 40s and 50s at Low elevations to the upper 20s and 30s in high valleys and peaks. |
| Lo: 49°F | ||
| Hi: 70°F | Monday: Mostly clear. Breezy. Highs in the upper 50s to mid 70s. Lows from the upper 40s and 50s at Low elevations to the upper 20s and 30s in high valleys and peaks. |
| Lo: 49°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:07 AM PST |
Sunrise: 6:34 AM PST |
| Sunset: 4:44 PM PST |
Civil Twilight: 5:11 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 58.8 | 63.2 | 67.8 | 74.8 | 82.5 | 91.6 | 97.5 | 97.0 | 91.1 | 80.4 | 67.0 | 58.6 | 77.5 |
| Mean °F | 46.6 | 50.3 | 54.2 | 59.9 | 67.5 | 75.7 | 81.7 | 81.0 | 75.2 | 65.0 | 53.2 | 46.0 | 63.0 |
| Min °F | 34.3 | 37.3 | 40.5 | 45.0 | 52.5 | 59.8 | 65.9 | 65.0 | 59.2 | 49.5 | 39.3 | 33.3 | 48.5 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.75 | 1.86 | 1.92 | 0.49 | 0.22 | 0.07 | 0.03 | 0.15 | 0.28 | 0.36 | 0.52 | 1.14 | 8.79 |
