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      Coastal Flood Statement
      until 6:00 PM EDT
      Elev 0 ft, 24.703 °N 81.078 °W

      Marathon, FL

      Marathon High School WeatherSTEM Station84°
      Updated: 5:44 PM EDT on September 23, 2026 (GMT -4)
      7 minutes ago
      87°
      78°
      84
      Feels Like 94
      Partly Cloudy
      N
      6
      Same temperature is expected tomorrow
      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
        Wed 09/23
        Low 80°f
         58% Precip. / 0 in
        Rain showers this evening with mostly cloudy conditions overnight. Low near 80F. Winds light and variable. Chance of rain 60%.
        Tomorrow
        Thu 09/24
        High 86°f
         24% Precip. / 0 in
        Mostly cloudy skies early, then partly cloudy in the afternoon. High 86F. Winds NNW at 5 to 10 mph.
        Tomorrow night
        Thu 09/24
        Low 80°f
         21% Precip. / 0 in
        Mainly cloudy. Low around 80F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        84°
        6PM
        84°
        7PM
        83°
        7:19PM
        Sunset
        8PM
        58%
        82°
        9PM
        58%
        81°
        10PM
        44%
        81°
        11PM
        81°
        12AM
        81°
        1AM
        81°
        2AM
        81°
        3AM
        81°
        4AM
        81°
        5AM
        81°
        6AM
        81°
        7AM
        81°
        7:13AM
        Sunrise
        8AM
        82°
        9AM
        83°
        10AM
        83°
        11AM
        84°
        12PM
        84°
        1PM
        85°
        2PM
        85°
        3PM
        85°
        4PM
        86°
        5PM
        86°
        Precipitation
        58%
        Thunderstorms possible around 8:00 PM
        Pollen
        None
        Air Quality
        26
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point76°F
        5. Humidity 76%
        6. Rainfall 0.24 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 78°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 86°F -°F -°F
        4. Low 78°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:13 AM 7:19 PM
        3. Civil Twilight 6:50 AM 7:42 PM
        4. Nautical Twilight 6:24 AM 8:08PM
        5. Astronomical Twilight 5:57 AM 8:35 PM
        1. Length of Visible Light 12h 51m
        2. Length of Day 12h 6m
        3. Tomorrow will be 1 minute 26 seconds shorter
        1. Moon 5:34 PM 4:16 AM
        2. Waxing Gibbous91% 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
        Nearby Weather Stations
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