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      Elev 5 ft, 24.692 °N 81.080 °W

      Marathon, FL

      Updated: 6:12 PM EDT on September 30, 2026 (GMT -4)
      10 minutes ago
      84°
      74°
      81
      Feels Like 88
      Partly Cloudy
      N
      14
      Similar 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 09/30
        Low 79°f
        39% Precip. / 0.11 in
        Considerable cloudiness. Occasional rain showers after midnight. Low 79F. Winds E at 10 to 20 mph. Chance of rain 40%.
        Tomorrow
        Thu 10/01
        High 85°f
        55% Precip. / 0.28 in
        Variable clouds with showers and scattered thunderstorms. Storms more numerous in the morning. High near 85F. Winds ESE at 15 to 25 mph. Chance of rain 60%.
        Tomorrow night
        Thu 10/01
        Low 80°f
        46% Precip. / 0.32 in
        Overcast with showers at times. Low near 80F. Winds ESE at 15 to 25 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        81°
        7PM
        80°
        7:12PM
        Sunset
        8PM
        80°
        9PM
        81°
        10PM
        82°
        11PM
        82°
        12AM
        82°
        1AM
        82°
        2AM
        82°
        3AM
        38%
        82°
        4AM
        35%
        81°
        5AM
        37%
        81°
        6AM
        39%
        81°
        7AM
        53%
        81°
        7:16AM
        Sunrise
        8AM
        48%
        80°
        9AM
        38%
        82°
        10AM
        43%
        82°
        11AM
        41%
        84°
        12PM
        35%
        84°
        1PM
        35%
        84°
        2PM
        55%
        84°
        3PM
        39%
        84°
        4PM
        84°
        5PM
        85°
        6PM
        84°
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point75°F
        5. Humidity 81%
        6. Rainfall 2.8 in
        7. Snow Depth 0 in
        KMTH Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 84°F -°F -°F
        4. Low 74°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.11 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 85°F -°F -°F
        4. Low 79°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:15 AM 7:12 PM
        3. Civil Twilight 6:53 AM 7:34 PM
        4. Nautical Twilight 6:26 AM 8:01PM
        5. Astronomical Twilight 6:00 AM 8:27 PM
        1. Length of Visible Light 12h 41m
        2. Length of Day 11h 56m
        3. Tomorrow will be 1 minute 25 seconds shorter
        1. Moon 10:02 PM 11:16 AM
        2. Waning Gibbous77% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
        Nearby Weather Stations
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        Elev.
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