How is the weather in Marathon, FL?

At 12:20 AM on Tue, Sep 23, 2025 it is mostly clear with thunderstorms and 82 degrees Fahrenheit, feeling like 88 degrees.

Marathon, FL Weather Forecast and Current Conditions (33050)

WEATHER ALERTS - Short Term Forecast

82°F
Feels Like 88°F

Humidity 78% Dew Point 75°F Wind ESE 4 MPH Gusts 17 Barometer 29.94 in.760.5 mm

Solar Rad 0 w/m2

Report from 1.1 miles SE of central Marathon at 12:20 AM Tue, Sep 23, 2025

WEATHER ALERTS - Short Term Forecast

Current Weather

82°F
Feels Like 88°F

Humidity 78% Dew Point 75°F Wind ESE 4 MPH Gusts 17 Barometer 29.94 in.760.5 mm

Solar Rad 0 w/m2

Report from 1.1 miles SE of central Marathon at 12:20 AM Tue, Sep 23, 2025

Forecast at a Glance

TueSep 23

50%

89°

81°

WedSep 24

30%

90°

81°

ThuSep 25

30%

90°

81°

FriSep 26

30%

90°

80°

SatSep 27

30%

90°

80°

SunSep 28

30%

90°

80°

MonSep 29

30%

88°

This Date in Weather History

1904 - The temperature at Charlotteburg, NJ, dipped to 23 degrees, the coldest reading of record for so early in the autumn for the state.

Marathon 7 Day Weather Forecast Details

Tuesday Sep 23

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind around 5 mph. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 81. East wind around 5 mph. Chance of precipitation is 50%.

Wednesday Sep 24

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Northeast wind around 5 mph. Chance of precipitation is 30%.

Thursday Sep 25

Day: A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms. Mostly clear, with a low around 81. Chance of precipitation is 30%.

Friday Sep 26

Day: A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms. Mostly clear, with a low around 80. Chance of precipitation is 30%.

Saturday Sep 27

Day: A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 30%.

Sunday Sep 28

Day: A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 30%.

Monday Sep 29

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Sun & Moon Monthly

First Light 6:51 AM

Sunrise 7:14 AM

Sunset 7:22 PM

Last Light 7:45 PM

Moonrise 8:48 AM

Moonset 8:22 PM

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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