Marathon, FL Current Weather Conditions

Current weather observations and 72-hour history for Marathon, FL.  •  View 5-Day Forecast ›

Current Conditions — Marathon, FL

MARATHON (KMTH)

Clear

89.6 F

Humidity:67%
Wind Speed:SE 5.7 mph
Barometer: in
Dewpoint:77.0 F
Visibility:10.00 mi
Precip:--
Heat Index:102.6 F
Wind Chill:NA
Aug 31 2026, 03:50 PM EDT
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Hourly Observation History — Marathon, FL

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
03:50 PM EDT SE 5.7 10.00 Clear -- 89.6 77.0 67% NA 102.6 M
03:35 PM EDT SE 6.9 10.00 Clear -- 89.6 77.0 67% NA 102.6 M
03:25 PM EDT 4.6 10.00 Clear -- 89.6 77.0 67% NA 102.6 M
03:20 PM EDT SE 6.9 10.00 Clear -- 89.6 77.0 67% NA 102.6 M
03:15 PM EDT SE 4.6 10.00 Mostly Clear -- 89.6 77.0 67% NA 102.6 M
03:10 PM EDT 5.7 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
03:00 PM EDT SE 6.9 10.00 Mostly Cloudy -- 89.6 77.0 67% NA 102.6 M
02:50 PM EDT 6.9 10.00 Cloudy -- 89.6 77.0 67% NA 102.6 M
02:40 PM EDT SE 5.7 10.00 Cloudy -- 89.6 78.8 71% NA 105.3 M
02:35 PM EDT 4.6 10.00 Cloudy -- 87.8 77.0 70% NA 99.9 M
02:30 PM EDT 3.4 10.00 Cloudy -- 87.8 77.0 70% NA 99.9 M
02:25 PM EDT 0.0 10.00 Cloudy -- 89.6 77.0 67% NA 102.6 M
02:15 PM EDT 4.6 10.00 Cloudy -- 89.6 77.0 67% NA 102.6 M
02:10 PM EDT E 3.4 10.00 Mostly Cloudy -- 89.6 77.0 67% NA 102.6 M
02:05 PM EDT E 4.6 10.00 Mostly Cloudy -- 89.6 77.0 67% NA 102.6 M
02:00 PM EDT SE 4.6 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:50 PM EDT E 3.4 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:45 PM EDT 6.9 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:35 PM EDT 5.7 10.00 Mostly Clear -- 89.6 78.8 71% NA 105.3 M
01:30 PM EDT E 5.7 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:25 PM EDT 5.7 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:20 PM EDT 6.9 10.00 Mostly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:10 PM EDT SE 5.7 10.00 Partly Cloudy -- 89.6 77.0 67% NA 102.6 M
01:00 PM EDT SE 4.6 10.00 Mostly Cloudy -- 89.6 77.0 67% NA 102.6 M

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