Marine Weather Net

Marathon, FL Weather Forecast




Marathon, Florida

 Lat: 24.71N, Lon: 81.08W

Current Conditions Updated: 653 AM EDT SAT OCT 4 2025

Mostly Clear
Temp: 80°F
  • Humidity:
  • 84%
  • Winds:
  • 6 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.87 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 85°F

  • Sunrise:
  • 7:16 AM EDT
  • Sunset:
  • 7:07 PM EDT
  • Moonrise:
  • 5:36 PM EDT
  • Moonset:
  • 4:33 AM EDT

TODAY

CHANCE OF T-STORM
Hi: 89°F
Lo: 79°F
Precip: 60%

SUNDAY

PARTLY SUNNY
Hi: 89°F
Lo: 80°F
Precip: 30%

MONDAY

PARTLY SUNNY
Hi: 89°F
Lo: 79°F
Precip: 30%

THURSDAY

CHANCE OF SHOWERS
Hi: 89°F
Lo: 79°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 400 AM EDT Sat Oct 04 2025

Today...Showers likely with a slight chance of thunderstorms. Highs in the upper 80s. Northeast to east winds 10 to 15 mph. Chance of rain 60 percent.
Tonight...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. East winds 10 to 15 mph, becoming east to southeast 5 to 10 mph. Chance of rain 40 percent.
Sunday...Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Southeast winds near 5 mph. Chance of rain 30 percent.
Sunday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows near 80. East to southeast winds 5 to 10 mph. Chance of rain 30 percent.
Monday...Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Northeast to east winds increasing to near 10 mph. Chance of rain 30 percent.
Monday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Chance of rain 30 percent.
Tuesday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy at Times. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 40 percent.
Wednesday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy at Times. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 40 percent.
Thursday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 40 percent.
Friday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 40 percent.
SHARE THIS PAGE: