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      Coastal Flood Statement
      until 5:00 PM EDT
      Elev 10 ft, 25.696 °N 80.168 °W

      Key Biscayne, FL

      Key Biscayne Station81°
      Updated: 12:35 PM EDT on September 30, 2026 (GMT -4)
      6 minutes ago
      86°
      75°
      81
      Feels Like 90
      Rain Shower
      N
      13
      Gusts 18 mph
      Same temperature is expected today
      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
        Today
        Wed 09/30
        High 82°f
         100% Precip. / 1.04 in
        Thunderstorms with locally heavy downpours. High 82F. Winds E at 10 to 20 mph. Chance of rain 100%. Rainfall near an inch.
        Tonight
        Wed 09/30
        Low 80°f
         38% Precip. / 0.12 in
        Cloudy skies this evening followed by scattered showers and thunderstorms overnight. Low around 80F. Winds E at 10 to 20 mph. Chance of rain 40%.
        Tomorrow
        Thu 10/01
        High 83°f80°f
         57% Precip. / 0.23 in
        Mixed clouds and sun with scattered thunderstorms. High 83F. Winds ESE at 15 to 25 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        79°
        1PM
        70%
        80°
        2PM
        100%
        79°
        3PM
        100%
        80°
        4PM
        100%
        82°
        5PM
        100%
        82°
        6PM
        74%
        80°
        7PM
        46%
        81°
        7:08PM
        Sunset
        8PM
        81°
        9PM
        81°
        10PM
        82°
        11PM
        82°
        12AM
        82°
        1AM
        82°
        2AM
        36%
        82°
        3AM
        39%
        82°
        4AM
        39%
        82°
        5AM
        38%
        82°
        6AM
        38%
        82°
        7AM
        43%
        82°
        7:13AM
        Sunrise
        8AM
        49%
        82°
        9AM
        82°
        10AM
        38%
        82°
        11AM
        46%
        83°
        12PM
        58%
        83°
        Precipitation
        100%
        Storms continuing through 7 PM
        Pollen
        None
        Air Quality
        19
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 7 miles
        3. Clouds Mostly Cloudy
        4. Dew Point73°F
        5. Humidity 82%
        6. Rainfall 0.15 in
        7. Snow Depth 0 in
         KMIA Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 86°F 95°F 1980
        4. Low 75°F 77°F 70°F 1949
        5. Rain/Snow Depth
        6. Precipitation 1.15 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 86°F 94°F
        4. Low 80°F 77°F 70°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:12 AM 7:08 PM
        3. Civil Twilight 6:49 AM 7:31 PM
        4. Nautical Twilight 6:22 AM 7:57PM
        5. Astronomical Twilight 5:56 AM 8:24 PM
        1. Length of Visible Light 12h 41m
        2. Length of Day 11h 55m
        3. Tomorrow will be 1 minute 31 seconds shorter
        1. Moon 9:55 PM 11:14 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
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