Live Weather & Forecast
Weather in Marathon
Ontario, Canada · Real-time conditions & 3-day outlook
4°C
Feels like 4°C
40°F / Feels 39°F
Patchy rain nearby
Marathon, Ontario
🌞 Daytime
Updated: 2026-04-25 07:15
Humidity
91%
Wind
5 km/h WSW
Wind Gust
8.4 km/h
Pressure
1014 mb
Visibility
0 km
UV Index
0
(Low)
Precipitation
0.01 mm
Cloud Cover
100%
Dew Point
3°C
Wind Degree
248°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
158.8 μg/m³
NO₂
1.4 μg/m³
O₃
83 μg/m³
SO₂
1.6 μg/m³
PM 2.5
7.6 μg/m³
PM 10
9.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Marathon, Ontario
12 AM
5°
Patchy rain nearby
1 AM
5°
Patchy rain nearby
2 AM
5°
Partly Cloudy
3 AM
5°
Clear
4 AM
5°
Partly Cloudy
5 AM
4°
Overcast
6 AM
4°
Overcast
7 AM
4°
Patchy rain nearby
8 AM
5°
Patchy rain nearby
9 AM
5°
Mist
10 AM
6°
Mist
11 AM
6°
Mist
12 PM
6°
Mist
1 PM
7°
Mist
2 PM
8°
Mist
3 PM
8°
Mist
4 PM
8°
Mist
5 PM
8°
Mist
6 PM
8°
Sunny
7 PM
7°
Partly Cloudy
8 PM
6°
Sunny
9 PM
5°
Clear
10 PM
4°
Clear
11 PM
4°
Clear
3-Day Forecast
Daily overview for Marathon, Ontario
Today
Mist
9°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0.07 mm
☀️ UV Index: 2.9
🌅 Sunrise: 06:35 AM
🌇 Sunset: 08:52 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Partly Cloudy
8°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 3.7
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:54 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Moderate rain
12°
/
6°
🌧️ 75% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 9.26 mm
☀️ UV Index: 4.7
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:55 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Marathon
Plan your trip to Marathon, 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 Marathon?
Current conditions in Marathon: Patchy rain nearby, temperature 4°C, humidity 91%.
What is the best time to visit Marathon?
The best time to visit Marathon is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Marathon?
Marathon is located at approximately 48.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Marathon?
The wettest period in Marathon is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Marathon?
For visits to Marathon during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Marathon in 2026?
View the 2026 public holidays for Marathon on our Holidays page.
What are the GPS coordinates used for the weather forecast in Marathon?
The weather forecast for Marathon uses coordinates 48.7209, -86.3716.
What is the current temperature outside in Marathon?
The current outdoor temperature in Marathon is 4°C (39°F) with patchy rain nearby.
What is the hourly weather forecast for Marathon today?
Today's hour-by-hour weather breakdown for Marathon 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 Marathon tomorrow hour by hour?
Tomorrow's forecast for Marathon shows a high of 8°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 Marathon?
Rain is not expected in Marathon today. Current forecast shows no significant rain probability.
Is it going to rain today in Marathon?
No, rain is not forecast for Marathon today. Current conditions show clear to partly cloudy skies.