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      Elev 15 ft, 25.082 °N 80.438 °W

      Key Largo, FL

      Key Largo Station92°
      Updated: 4:59 PM EDT on September 5, 2026 (GMT -4)
      3 minutes ago
      90°
      82°
      92
      Feels Like 106
      Mostly Cloudy
      N
      5
      Lower 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
        Sat 09/05
        Low 82°f
         19% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. Low 82F. Winds light and variable.
        Tomorrow
        Sun 09/06
        High 85°f
         48% Precip. / 0.35 in
        Scattered thunderstorms in the morning. Cloudy skies late. High around 85F. Winds light and variable. Chance of rain 50%.
        Tomorrow night
        Sun 09/06
        Low 81°f
         23% Precip. / 0 in
        Mostly cloudy skies early will become partly cloudy late. Low 81F. Winds light and variable.
        Hourly Forecast
        Now
        87°
        5PM
        87°
        6PM
        87°
        7PM
        86°
        7:36PM
        Sunset
        8PM
        84°
        9PM
        83°
        10PM
        83°
        11PM
        83°
        12AM
        83°
        1AM
        83°
        2AM
        83°
        3AM
        84°
        4AM
        84°
        5AM
        83°
        6AM
        83°
        7AM
        83°
        7:04AM
        Sunrise
        8AM
        47%
        83°
        9AM
        48%
        84°
        10AM
        38%
        84°
        11AM
        31%
        85°
        12PM
        31%
        85°
        1PM
        84°
        2PM
        85°
        3PM
        84°
        4PM
        85°
        Precipitation
        48%
        Pollen
        None
        Air Quality
        14
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point75°F
        5. Humidity 68%
        6. Rainfall 0.08 in
        7. Snow Depth 0 in
         KHST Station History
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 89°F 93°F 1990
        4. Low 82°F 78°F 70°F 1954
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.5 in -
        7. Snow 0 in 0 in -
        Almanac for September 6, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 89°F 93°F
        4. Low 82°F 78°F 73°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:04 AM 7:36 PM
        3. Civil Twilight 6:41 AM 7:59 PM
        4. Nautical Twilight 6:13 AM 8:26PM
        5. Astronomical Twilight 5:46 AM 8:53 PM
        1. Length of Visible Light 13h 18m
        2. Length of Day 12h 32m
        3. Tomorrow will be 1 minute 25 seconds shorter
        1. Moon 1:01 AM 3:31 PM
        2. Waning Crescent40% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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