How is the weather in Marathon, FL?

At 10:30 PM on Mon, Sep 8, 2025 it is mostly clear and 84 degrees Fahrenheit, feeling like 94 degrees.

Marathon, FL Weather Forecast and Current Conditions (33050)

84°F
Feels Like 94°F

Humidity 79% Dew Point 77°F Wind Calm 0 MPH Gusts 2 Barometer 29.92 in.760.0 mm

Solar Rad 0 w/m2

Report from 1.1 miles SE of central Marathon at 10:30 PM Mon, Sep 8, 2025

Current Weather

84°F
Feels Like 94°F

Humidity 79% Dew Point 77°F Wind Calm 0 MPH Gusts 2 Barometer 29.92 in.760.0 mm

Solar Rad 0 w/m2

Report from 1.1 miles SE of central Marathon at 10:30 PM Mon, Sep 8, 2025

Forecast at a Glance

MonSep 8

50%

81°

TueSep 9

50%

88°

81°

WedSep 10

40%

88°

81°

ThuSep 11

50%

88°

80°

FriSep 12

60%

87°

80°

SatSep 13

60%

87°

80°

SunSep 14

60%

87°

79°

This Date in Weather History

1988 - Eighteen cities in the south central and eastern U.S. reported record low temperatures for the date, including Roanoke VA with a reading of 42 degrees.

Marathon 7 Day Weather Forecast Details

Monday Sep 8

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. South wind 0 to 5 mph. Chance of precipitation is 50%.

Tuesday Sep 9

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. South wind around 5 mph. Chance of precipitation is 50%.

Wednesday Sep 10

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. North wind 0 to 5 mph. Chance of precipitation is 40%.

Thursday Sep 11

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 50%.

Friday Sep 12

Day: A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.

Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.

Saturday Sep 13

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.

Sunday Sep 14

Day: Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Night: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.

Monday Sep 15

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Sun & Moon Monthly

First Light 6:46 AM

Sunrise 7:09 AM

Sunset 7:37 PM

Last Light 8:00 PM

Moonrise 8:13 PM

Moonset 7:50 AM

Moon Phase

Close Tide Stations

VACA KEY, USCG STATION, FLORIDA BAY
(1 miles away)

Boot Key Harbor bridge, Boot Key
(1.2 miles away)

Knight Key Channel, Knight Key, Florida Bay
(2.2 miles away)

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