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      Coastal Flood Advisory
      until 5:00 AM EDT
      Elev 16 ft, 24.704 °N 81.085 °W

      Marathon, FL

      Marathon Station80°
      Updated: 3:36 PM EDT on October 23, 2026 (GMT -4)
      9 minutes ago
      79°
      74°
      80
      Feels Like 83
      Cloudy
      N
      8
      Higher temperature is expected tomorrow
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Fri 10/23
        Low 74°f
         30% Precip. / 0.01 in
        Partly cloudy skies this evening. A few showers developing late. Low 74F. Winds NE at 10 to 20 mph. Chance of rain 30%.
        Tomorrow
        Sat 10/24
        High 83°f
         10% Precip. / 0 in
        Mostly cloudy skies early will become partly cloudy later in the day. High 83F. Winds NNE at 10 to 20 mph.
        Tomorrow night
        Sat 10/24
        Low 73°f
         5% Precip. / 0 in
        A few clouds. Low 73F. Winds NNE at 10 to 20 mph.
        Hourly Forecast
        Now
        78°
        4PM
        78°
        5PM
        78°
        6PM
        78°
        6:50PM
        Sunset
        7PM
        79°
        8PM
        78°
        9PM
        77°
        10PM
        77°
        11PM
        77°
        12AM
        77°
        1AM
        76°
        2AM
        76°
        3AM
        76°
        4AM
        31%
        75°
        5AM
        76°
        6AM
        76°
        7AM
        76°
        7:27AM
        Sunrise
        8AM
        75°
        9AM
        76°
        10AM
        77°
        11AM
        78°
        12PM
        80°
        1PM
        81°
        2PM
        82°
        3PM
        82°
        Precipitation
        31%
        Pollen
        None
        Air Quality
        37
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 74%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KMTH Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 79°F -°F -°F
        4. Low 74°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.01 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 83°F -°F -°F
        4. Low 74°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:26 AM 6:50 PM
        3. Civil Twilight 7:03 AM 7:13 PM
        4. Nautical Twilight 6:36 AM 7:40PM
        5. Astronomical Twilight 6:09 AM 8:07 PM
        1. Length of Visible Light 12h 10m
        2. Length of Day 11h 24m
        3. Tomorrow will be 1 minute 20 seconds shorter
        1. Moon 5:08 PM 4:49 AM
        2. Waxing Gibbous93% of the Moon is Illuminated
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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