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      Small Craft Advisory
      until 4:00 AM EDT
      Elev 3 ft, 25.948 °N 81.732 °W

      Marco Island, FL

      Marco Island Station87°
      Updated: 12:45 PM EDT on September 16, 2026 (GMT -4)
      2 minutes ago
      90°
      76°
      87
      Feels Like 97
      Partly Cloudy
      N
      10
      Gusts 17 mph
      Similar 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
        Wed 09/16
        High 90°f
         58% Precip. / 2.32 in
        Variable clouds with scattered thunderstorms. High around 90F. Winds ENE at 10 to 15 mph. Chance of rain 60%. 2 to 3 inches of rain expected.
        Tonight
        Wed 09/16
        Low 76°f
         24% Precip. / 0 in
        Some clouds. Low 76F. Winds NE at 10 to 15 mph.
        Tomorrow
        Thu 09/17
        High 89°f75°f
         58% Precip. / 0.23 in
        Partly cloudy in the morning followed by scattered thunderstorms in the afternoon. High 89F. Winds ENE at 10 to 15 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        89°
        1PM
        89°
        2PM
        90°
        3PM
        58%
        88°
        4PM
        58%
        82°
        5PM
        58%
        83°
        6PM
        36%
        83°
        7PM
        83°
        7:30PM
        Sunset
        8PM
        35%
        81°
        9PM
        80°
        10PM
        80°
        11PM
        79°
        12AM
        79°
        1AM
        78°
        2AM
        78°
        3AM
        78°
        4AM
        78°
        5AM
        77°
        6AM
        77°
        7AM
        77°
        7:13AM
        Sunrise
        8AM
        77°
        9AM
        80°
        10AM
        84°
        11AM
        86°
        12PM
        87°
        Precipitation
        58%
        Thunderstorms possible after 3 PM
        Pollen
        None
        Air Quality
        29
        Good
        UV Index
        8
        Very High
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point77°F
        5. Humidity 67%
        6. Rainfall 1.26 in
        7. Snow Depth 0 in
         KMKY Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 90°F 96°F 1942
        4. Low 76°F 72°F 70°F 1982
        5. Rain/Snow Depth
        6. Precipitation 2.34 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 90°F 95°F
        4. Low 76°F 72°F 66°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:13 AM 7:29 PM
        3. Civil Twilight 6:50 AM 7:52 PM
        4. Nautical Twilight 6:23 AM 8:19PM
        5. Astronomical Twilight 5:56 AM 8:46 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 16m
        3. Tomorrow will be 1 minute 31 seconds shorter
        1. Moon 12:23 PM 10:55 PM
        2. Waxing Crescent29% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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