Marathon, Florida Weather
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Weather Forecast for Marathon, Florida : Monroe County
Issued: 11:26 am EDT Jul 1, 2025 Latitude: 24.7137524 Longitude: -81.0903512 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
20% chance of thunderstorms on This Afternoon 30% chance of thunderstorms on Tonight 20% chance of thunderstorms on Wednesday 10% chance of thunderstorms on Thursday 40% chance of thunderstorms on Independence Day 50% chance of thunderstorms on Saturday 40% chance of thunderstorms on Sunday 30% chance of thunderstorms on Monday
High: 87°F Low: 82°F High: 87°F High: 87°F High: 87°F High: 87°F High: 87°F High: 87°F
Low: 82°F Low: 82°F Low: 81°F Low: 81°F Low: 82°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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20% chance of thunderstorms This Afternoon This Afternoon... A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph. Chance of precipitation is 20%.
30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Southeast wind around 5 mph. Chance of precipitation is 30%.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
10% chance of thunderstorms Wednesday Night Wednesday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Southeast wind around 5 mph. Chance of precipitation is 10%.
10% chance of thunderstorms Thursday Thursday... A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind around 5 mph. Chance of precipitation is 10%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Chance of precipitation is 20%.
40% chance of thunderstorms Independence Day Independence Day... A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 40%.
50% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
50% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 81. Chance of precipitation is 50%.
40% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
30% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sun Almanac for Marathon, Florida
Sunrise: 06:39 AM
Sunset: 8:18 PM
Civil Sunrise:06:13 AM
Civil Sunset: 8:43 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 9:14 PM
Astro Sunrise: 05:11 AM
Astro Sunset: 9:46 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.