Marine Weather Net

Marathon, FL Weather Forecast




Marathon, Florida

 Lat: 24.71N, Lon: 81.08W

Current Conditions Updated: 453 AM EST SUN NOV 1 2026

Partly Cloudy
Temp: 81°F
  • Humidity:
  • 84%
  • Winds:
  • 14 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 87°F

  • Sunrise:
  • 6:29 AM EST
  • Sunset:
  • 5:43 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 1:01 PM EST

TODAY

CHANCE OF T-STORM
Hi: 81°F
Lo: 75°F
Precip: 40%

MONDAY

CHANCE OF T-STORM
Hi: 81°F
Lo: 75°F
Precip: 60%

TUESDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 75°F
Precip: 20%

WEDNESDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 75°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 401 AM EDT Sat Oct 31 2026

COASTAL FLOOD WARNING REMAINS IN EFFECT
Today...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 40 percent.
Tonight...Showers likely with a slight chance of thunderstorms. Lows in the mid to upper 70s. Northeast to east winds near 15 mph, becoming east. Chance of rain 60 percent.
Sunday And Sunday Night...Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the mid 70s. East winds 10 to 15 mph. Chance of rain 70 percent.
Monday...Showers likely with a chance of thunderstorms. Highs in the lower 80s. East winds near 10 mph. Chance of rain 60 percent.
Monday Night...Mostly cloudy early, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent.
Tuesday...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 20 percent.
Tuesday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 10 percent.
Wednesday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.
Wednesday Night...Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 10 percent.
Thursday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.
Thursday Night...Mostly clear. Lows in the mid 70s.
Friday...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 10 percent.
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