Live Weather & Forecast
Weather in Marathon
Florida, United States · Real-time conditions & 3-day outlook
13°C
Feels like 13°C
55°F / Feels 56°F
Clear
Marathon, Florida
🌙 Nighttime
Updated: 2026-04-12 22:15
Humidity
79%
Wind
3.6 km/h SSW
Wind Gust
4.9 km/h
Pressure
1020 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
22%
Dew Point
9.2°C
Wind Degree
211°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
153.9 μg/m³
NO₂
6.1 μg/m³
O₃
96 μg/m³
SO₂
2.4 μg/m³
PM 2.5
12.3 μg/m³
PM 10
13.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Marathon, Florida
12 AM
11°
Patchy rain nearby
1 AM
11°
Partly Cloudy
2 AM
10°
Partly Cloudy
3 AM
10°
Partly Cloudy
4 AM
10°
Cloudy
5 AM
10°
Overcast
6 AM
10°
Cloudy
7 AM
10°
Partly Cloudy
8 AM
11°
Partly Cloudy
9 AM
12°
Partly Cloudy
10 AM
13°
Partly Cloudy
11 AM
14°
Partly Cloudy
12 PM
15°
Patchy rain nearby
1 PM
15°
Partly Cloudy
2 PM
15°
Cloudy
3 PM
15°
Cloudy
4 PM
15°
Cloudy
5 PM
15°
Partly Cloudy
6 PM
15°
Partly Cloudy
7 PM
15°
Partly Cloudy
8 PM
14°
Partly Cloudy
9 PM
13°
Partly Cloudy
10 PM
13°
Clear
11 PM
12°
Clear
3-Day Forecast
Daily overview for Marathon, Florida
Today
Partly Cloudy
15°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 1
🌅 Sunrise: 06:54 AM
🌇 Sunset: 07:58 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Sunny
18°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:52 AM
🌇 Sunset: 07:59 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
18°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:51 AM
🌇 Sunset: 08:00 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Marathon
Plan your trip to Marathon, 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 Marathon?
Current conditions in Marathon: Clear, temperature 13°C, humidity 79%.
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 38.2° 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 country is Marathon in?
Marathon is located in United States, in the state of Florida.
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 38.1533, 23.9621.