Log In
    Favorites
        Member Settings
      Coastal Flood Warning
      until 5:00 AM EDT
      +1 more alert
      Elev 5 ft, 24.692 °N 81.080 °W

      Marathon, FL

      Marathon Station88°
      Updated: 4:47 PM EDT on October 27, 2026 (GMT -4)
      4 minutes ago
      83°
      74°
      88
      Feels Like 103
      Partly Cloudy
      N
      10
      Same temperature is expected tomorrow
      Wundermap

      Loading nearby stations…

       Wundermap
      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
        Tue 10/27
        Low 75°f
         22% Precip. / 0 in
        A few clouds. Slight chance of a rain shower. Low near 75F. Winds N at 10 to 20 mph.
        Tomorrow
        Wed 10/28
        High 83°f
         15% Precip. / 0 in
        Sunshine and clouds mixed. Slight chance of a rain shower. High 83F. Winds N at 10 to 15 mph.
        Tomorrow night
        Wed 10/28
        Low 78°f
         24% Precip. / 0 in
        Partly cloudy. Low 78F. Winds light and variable.
        Hourly Forecast
        Now
        82°
        5PM
        47%
        82°
        6PM
        82°
        6:47PM
        Sunset
        7PM
        80°
        8PM
        80°
        9PM
        79°
        10PM
        78°
        11PM
        77°
        12AM
        77°
        1AM
        76°
        2AM
        76°
        3AM
        76°
        4AM
        76°
        5AM
        76°
        6AM
        76°
        7AM
        76°
        7:29AM
        Sunrise
        8AM
        76°
        9AM
        77°
        10AM
        78°
        11AM
        79°
        12PM
        80°
        1PM
        81°
        2PM
        82°
        3PM
        82°
        4PM
        82°
        Precipitation
        47%
        Rain possible around 5:45 PM
        Pollen
        None
        Air Quality
        40
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.86 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point73°F
        5. Humidity 73%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMTH Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 83°F -°F -°F
        4. Low 74°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 83°F -°F -°F
        4. Low 75°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:28 AM 6:47 PM
        3. Civil Twilight 7:05 AM 7:10 PM
        4. Nautical Twilight 6:38 AM 7:37PM
        5. Astronomical Twilight 6:11 AM 8:04 PM
        1. Length of Visible Light 12h 5m
        2. Length of Day 11h 18m
        3. Tomorrow will be 1 minute 17 seconds shorter
        1. Moon 7:54 PM 9:00 AM
        2. Waning Gibbous95% of the Moon is Illuminated
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
        Nov 24
        Full Moon
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary