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      Elev 10 ft, 24.727 °N 81.064 °W

      Marathon, FL

      Marathon Shores Station80°
      Updated: 8:24 PM EDT on September 20, 2026 (GMT -4)
      3 minutes ago
      89°
      74°
      80
      Feels Like 85
      Showers in Vicinity
      N
      3
      Lower temperature is expected tomorrow
      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
        Sun 09/20
        Low 78°f
         58% Precip. / 0.96 in
        Variably cloudy with scattered thunderstorms. Low 78F. Winds SSW at 5 to 10 mph. Chance of rain 60%. Rainfall possibly over one inch.
        Tomorrow
        Mon 09/21
        High 86°f
         47% Precip. / 0.11 in
        Scattered thunderstorms in the morning, then variable clouds during the afternoon with more showers at times. High 86F. Winds SSW at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Mon 09/21
        Low 80°f
         35% Precip. / 0.08 in
        Showers in the evening, then cloudy overnight. Low around 80F. Winds S at 10 to 15 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        79°
        9PM
        79°
        10PM
        80°
        11PM
        42%
        80°
        12AM
        58%
        81°
        1AM
        47%
        81°
        2AM
        81°
        3AM
        81°
        4AM
        82°
        5AM
        82°
        6AM
        81°
        7AM
        82°
        7:12AM
        Sunrise
        8AM
        31%
        82°
        9AM
        84°
        10AM
        85°
        11AM
        32%
        85°
        12PM
        47%
        85°
        1PM
        48%
        85°
        2PM
        32%
        85°
        3PM
        85°
        4PM
        85°
        5PM
        84°
        6PM
        84°
        7PM
        83°
        7:21PM
        Sunset
        8PM
        82°
        Precipitation
        58%
        Storms continuing through 1 AM
        Pollen
        None
        Air Quality
        35
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point77°F
        5. Humidity 93%
        6. Rainfall 0.26 in
        7. Snow Depth 0 in
         KMTH Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 89°F -°F -°F
        4. Low 74°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.96 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 86°F -°F -°F
        4. Low 74°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:12 AM 7:21 PM
        3. Civil Twilight 6:49 AM 7:44 PM
        4. Nautical Twilight 6:23 AM 8:10PM
        5. Astronomical Twilight 5:56 AM 8:37 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 9m
        3. Tomorrow will be 1 minute 26 seconds shorter
        1. Moon 4:22 PM 2:23 AM
        2. Waxing Gibbous77% 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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