Live Weather & Forecast
Weather in Acton
Ontario, Canada · Real-time conditions & 3-day outlook
5°C
Feels like -0°C
40°F / Feels 32°F
Patchy rain nearby
Acton, Ontario
🌙 Nighttime
Updated: 2026-04-25 01:15
Humidity
67%
Wind
25.2 km/h E
Wind Gust
38.4 km/h
Pressure
1011 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
0.07 mm
Cloud Cover
0%
Dew Point
0.6°C
Wind Degree
90°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
166.9 μg/m³
NO₂
5.5 μg/m³
O₃
83 μg/m³
SO₂
3.2 μg/m³
PM 2.5
5.3 μg/m³
PM 10
5.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Acton, Ontario
12 AM
4°
Patchy rain nearby
1 AM
5°
Patchy rain nearby
2 AM
4°
Patchy rain nearby
3 AM
5°
Patchy rain nearby
4 AM
4°
Patchy rain nearby
5 AM
5°
Patchy rain nearby
6 AM
5°
Patchy rain nearby
7 AM
5°
Light drizzle
8 AM
5°
Moderate rain
9 AM
5°
Light rain
10 AM
5°
Patchy rain nearby
11 AM
5°
Patchy rain nearby
12 PM
4°
Patchy rain nearby
1 PM
4°
Patchy rain nearby
2 PM
4°
Patchy rain nearby
3 PM
5°
Partly Cloudy
4 PM
6°
Overcast
5 PM
6°
Overcast
6 PM
6°
Cloudy
7 PM
6°
Partly Cloudy
8 PM
6°
Cloudy
9 PM
5°
Cloudy
10 PM
4°
Clear
11 PM
3°
Clear
3-Day Forecast
Daily overview for Acton, Ontario
Today
Moderate rain
7°
/
3°
🌧️ 88% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 10.28 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:22 AM
🌇 Sunset: 08:16 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Partly Cloudy
14°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 06:21 AM
🌇 Sunset: 08:17 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
16°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 06:19 AM
🌇 Sunset: 08:19 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Acton
Plan your trip to Acton, Canada 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: Patchy rain nearby, temperature 5°C, humidity 67%.
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 43.6° 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 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 43.6297, -80.0415.
What is the current temperature outside in Acton?
The current outdoor temperature in Acton is 5°C (41°F) with patchy rain nearby.
What is the hourly weather forecast for Acton today?
Today's hour-by-hour weather breakdown for Acton is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Acton tomorrow hour by hour?
Tomorrow's forecast for Acton shows a high of 14°C and a low of 2°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Acton?
There is a 88% chance of rain in Acton today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Acton?
Yes, there is a 88% chance of rain in Acton today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.