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      Coastal Flood Statement
      until 5:00 PM EDT
      Elev 16 ft, 24.695 °N 81.082 °W

      Marathon, FL

      Marathon Station83°
      Updated: 7:29 AM EDT on September 22, 2026 (GMT -4)
      3 minutes ago
      87°
      80°
      83
      Feels Like 91
      Partly Cloudy
      N
      7
      Same 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
        Today
        Tue 09/22
        High 87°f
         21% Precip. / 0 in
        Generally cloudy. A stray shower or thunderstorm is possible. High 87F. Winds S at 10 to 15 mph.
        Tonight
        Tue 09/22
        Low 81°f
         51% Precip. / 0.49 in
        Variably cloudy with scattered thunderstorms. Low 81F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Wed 09/23
        High 86°f81°f
         42% Precip. / 0.1 in
        Scattered thunderstorms in the morning. Cloudy skies late. High 86F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        83°
        8AM
        83°
        9AM
        85°
        10AM
        85°
        11AM
        85°
        12PM
        86°
        1PM
        86°
        2PM
        86°
        3PM
        86°
        4PM
        86°
        5PM
        86°
        6PM
        85°
        7PM
        49%
        83°
        7:20PM
        Sunset
        8PM
        52%
        82°
        9PM
        82°
        10PM
        82°
        11PM
        31%
        82°
        12AM
        45%
        82°
        1AM
        38%
        82°
        2AM
        44%
        82°
        3AM
        44%
        82°
        4AM
        37%
        82°
        5AM
        82°
        6AM
        38%
        82°
        7AM
        38%
        82°
        Precipitation
        52%
        Pollen
        None
        Air Quality
        29
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point76°F
        5. Humidity 79%
        6. Rainfall 0.77 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 80°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.49 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 86°F -°F -°F
        4. Low 80°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:13 AM 7:20 PM
        3. Civil Twilight 6:50 AM 7:43 PM
        4. Nautical Twilight 6:23 AM 8:09PM
        5. Astronomical Twilight 5:57 AM 8:36 PM
        1. Length of Visible Light 12h 53m
        2. Length of Day 12h 7m
        3. Tomorrow will be 1 minute 26 seconds shorter
        1. Moon 5:00 PM 3:20 AM
        2. Waxing Gibbous84% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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