Live Weather & Forecast
Weather in Acton
California, United States · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
59°F / Feels 59°F
Moderate rain
Acton, California
🌞 Daytime
Updated: 2026-04-12 14:00
Humidity
51%
Wind
20.9 km/h SW
Wind Gust
24.7 km/h
Pressure
1009 mb
Visibility
10 km
UV Index
3.4
(Moderate)
Precipitation
0.25 mm
Cloud Cover
25%
Dew Point
2°C
Wind Degree
233°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
159.9 μg/m³
NO₂
4.2 μg/m³
O₃
96 μg/m³
SO₂
1.4 μg/m³
PM 2.5
5 μg/m³
PM 10
12.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Acton, California
12 AM
7°
Clear
1 AM
7°
Clear
2 AM
7°
Partly Cloudy
3 AM
7°
Clear
4 AM
7°
Partly Cloudy
5 AM
7°
Partly Cloudy
6 AM
7°
Partly Cloudy
7 AM
7°
Sunny
8 AM
9°
Sunny
9 AM
10°
Partly Cloudy
10 AM
11°
Patchy rain nearby
11 AM
12°
Patchy rain nearby
12 PM
13°
Patchy rain nearby
1 PM
13°
Light rain shower
2 PM
15°
Moderate rain
3 PM
13°
Light rain shower
4 PM
12°
Light rain shower
5 PM
12°
Light rain shower
6 PM
11°
Patchy rain nearby
7 PM
10°
Patchy rain nearby
8 PM
9°
Clear
9 PM
8°
Clear
10 PM
7°
Clear
11 PM
7°
Clear
3-Day Forecast
Daily overview for Acton, California
Today
Patchy rain nearby
13°
/
7°
🌧️ 94% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 25.9 km/h
🌧️ Total precip: 2.18 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
12°
/
4°
🌧️ 87% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 4.64 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:10 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
15°
/
4°
🌧️ 83% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0.37 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:08 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Acton
Plan your trip to Acton, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Acton?
Current conditions in Acton: Moderate rain, temperature 15°C, humidity 51%.
What is the best time to visit Acton?
The best time to visit Acton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Acton?
Acton is located at approximately 51.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Acton?
The wettest period in Acton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Acton?
For visits to Acton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Acton in?
Acton is located in United States, in the state of California.
What are the public holidays in Acton in 2026?
View the 2026 public holidays for Acton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Acton?
The weather forecast for Acton uses coordinates 51.5081, -0.2733.