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      Elev 10 ft, 25.696 °N 80.168 °W

      Key Biscayne, FL

      Key Biscayne Station83°
      Updated: 11:25 PM EDT on September 14, 2026 (GMT -4)
      3 minutes ago
      89°
      79°
      83
      Feels Like 93
      Fair
      N
      4
      Similar 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
        Mon 09/14
        Low 82°f
         21% Precip. / 0 in
        Some clouds. Low 82F. Winds ESE at 5 to 10 mph.
        Tomorrow
        Tue 09/15
        High 88°f
         23% Precip. / 0 in
        Partly cloudy. A stray shower or thunderstorm is possible. High 88F. Winds E at 10 to 15 mph.
        Tomorrow night
        Tue 09/15
        Low 81°f
         31% Precip. / 0.03 in
        Isolated thunderstorms during the evening hours. Skies will become partly cloudy overnight. Low 81F. Winds ENE at 10 to 15 mph. Chance of rain 30%.
        Hourly Forecast
        Now
        86°
        12AM
        85°
        1AM
        85°
        2AM
        85°
        3AM
        84°
        4AM
        84°
        5AM
        83°
        6AM
        83°
        7AM
        83°
        7:06AM
        Sunrise
        8AM
        83°
        9AM
        85°
        10AM
        86°
        11AM
        87°
        12PM
        88°
        1PM
        87°
        2PM
        87°
        3PM
        86°
        4PM
        85°
        5PM
        85°
        6PM
        85°
        7PM
        31%
        85°
        7:24PM
        Sunset
        8PM
        84°
        9PM
        83°
        10PM
        31%
        83°
        11PM
        83°
        Precipitation
        31%
        Pollen
        None
        Air Quality
        38
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point75°F
        5. Humidity 71%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMIA Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 87°F 93°F 2005
        4. Low 79°F 77°F 72°F 1997
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 87°F 91°F
        4. Low 79°F 77°F 72°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:06 AM 7:24 PM
        3. Civil Twilight 6:43 AM 7:47 PM
        4. Nautical Twilight 6:16 AM 8:14PM
        5. Astronomical Twilight 5:49 AM 8:41 PM
        1. Length of Visible Light 13h 4m
        2. Length of Day 12h 18m
        3. Tomorrow will be 1 minute 30 seconds shorter
        1. Moon 11:19 AM 10:06 PM
        2. Waxing Crescent20% 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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