Marine Weather Net

Marathon, FL Weather Forecast




Marathon, Florida

 Lat: 24.71N, Lon: 81.08W

Current Conditions Updated: 1253 PM EDT MON OCT 6 2025

Fair
Temp: 83°F
  • Humidity:
  • 79%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.95 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 91°F

  • Sunrise:
  • 7:16 AM EDT
  • Sunset:
  • 7:05 PM EDT
  • Moonrise:
  • 6:47 PM EDT
  • Moonset:
  • 6:38 AM EDT

TODAY

CHANCE OF T-STORM
Hi: 89°F
Lo: 79°F
Precip: 40%

TUESDAY

CHANCE OF T-STORM
Hi: 85°F
Lo: 79°F
Precip: 60%

WEDNESDAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 77°F
Precip: 50%

SATURDAY

CHANCE OF SHOWERS
Hi: 87°F
Lo: 77°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 406 AM EDT Mon Oct 06 2025

COASTAL FLOOD ADVISORY REMAINS IN EFFECT
Today...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. North to northeast winds near 5 mph. Chance of rain 40 percent.
Tonight...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Northeast winds near 5 mph. Chance of rain 40 percent.
Tuesday...Showers likely with a slight chance of thunderstorms. Highs in the mid 80s. East winds near 5 mph, increasing to 5 to 10 mph. Chance of rain 60 percent.
Tuesday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday Night...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Chance of rain 40 percent.
Thursday...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. Lows in the mid to upper 70s. Chance of rain 50 percent.
Friday...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. Lows in the mid to upper 70s. Chance of rain 50 percent.
Saturday...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. Lows in the mid to upper 70s. Chance of rain 30 percent.
Sunday...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. Lows in the mid to upper 70s. Chance of rain 30 percent.
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