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      Elev 16 ft, 24.695 °N 81.082 °W

      Marathon, FL

      Marathon Station83°
      Updated: 12:38 AM EDT on September 10, 2026 (GMT -4)
      11 minutes ago
      87°
      83°
      83
      Feels Like 95
      Showers in Vicinity
      N
      8
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Wed 09/09
        Low 83°f
         58% Precip. / 0.05 in
        Scattered thunderstorms. Low 83F. Winds E at 10 to 15 mph. Chance of rain 60%.
        Tomorrow
        Thu 09/10
        High 87°f
         34% Precip. / 0.12 in
        Cloudy in the morning followed by isolated thunderstorms during the afternoon. High 87F. Winds ESE at 10 to 15 mph. Chance of rain 30%.
        Tomorrow night
        Thu 09/10
        Low 83°f
         24% Precip. / 0 in
        Mostly cloudy skies early will become partly cloudy late. Low 83F. Winds E at 10 to 15 mph.
        Hourly Forecast
        Now
        86°
        1AM
        58%
        85°
        2AM
        85°
        3AM
        85°
        4AM
        85°
        5AM
        85°
        6AM
        84°
        7AM
        84°
        7:08AM
        Sunrise
        8AM
        85°
        9AM
        86°
        10AM
        86°
        11AM
        86°
        12PM
        86°
        1PM
        87°
        2PM
        87°
        3PM
        34%
        87°
        4PM
        31%
        86°
        5PM
        86°
        6PM
        86°
        7PM
        86°
        7:33PM
        Sunset
        8PM
        85°
        9PM
        85°
        10PM
        85°
        11PM
        85°
        12AM
        85°
        Precipitation
        58%
        Storms likely to end around 1:30 AM
        Pollen
        None
        Air Quality
        20
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point78°F
        5. Humidity 76%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMTH Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 87°F -°F -°F
        4. Low 83°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.05 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 90°F -°F -°F
        4. Low 83°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:08 AM 7:33 PM
        3. Civil Twilight 6:45 AM 7:56 PM
        4. Nautical Twilight 6:19 AM 8:23PM
        5. Astronomical Twilight 5:51 AM 8:50 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 24m
        3. Tomorrow will be 1 minute 25 seconds shorter
        1. Moon 6:33 AM 7:17 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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