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      Elev 15 ft, 25.082 °N 80.438 °W

      Key Largo, FL

      Key Largo Station85°
      Updated: 6:01 AM EDT on September 16, 2026 (GMT -4)
      2 minutes ago
      87°
      82°
      85
      Feels Like 97
      Fair
      N
      8
      Lower 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 87°f
         39% Precip. / 0 in
        Scattered thunderstorms during the morning. Partly cloudy skies this afternoon. High 87F. Winds ENE at 10 to 20 mph. Chance of rain 40%.
        Tonight
        Wed 09/16
        Low 80°f
         51% Precip. / 0.14 in
        Overcast with rain showers at times. Low near 80F. Winds ENE at 10 to 20 mph. Chance of rain 50%.
        Tomorrow
        Thu 09/17
        High 86°f79°f
         47% Precip. / 0.09 in
        Rain showers early with overcast skies later in the day. High 86F. Winds ENE at 10 to 15 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        83°
        7AM
        83°
        7:08AM
        Sunrise
        8AM
        84°
        9AM
        85°
        10AM
        37%
        85°
        11AM
        39%
        86°
        12PM
        86°
        1PM
        86°
        2PM
        87°
        3PM
        86°
        4PM
        87°
        5PM
        86°
        6PM
        86°
        7PM
        85°
        7:24PM
        Sunset
        8PM
        85°
        9PM
        84°
        10PM
        83°
        11PM
        32%
        83°
        12AM
        38%
        83°
        1AM
        83°
        2AM
        83°
        3AM
        82°
        4AM
        36%
        82°
        5AM
        82°
        6AM
        52%
        81°
        Precipitation
        52%
        Thunderstorms possible after 10 AM
        Pollen
        None
        Air Quality
        26
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point75°F
        5. Humidity 77%
        6. Rainfall 0.16 in
        7. Snow Depth 0 in
         KHST Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 88°F 94°F 1983
        4. Low 82°F 78°F 72°F 1978
        5. Rain/Snow Depth
        6. Precipitation 0.14 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 88°F 93°F
        4. Low 82°F 78°F 70°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:08 AM 7:24 PM
        3. Civil Twilight 6:45 AM 7:47 PM
        4. Nautical Twilight 6:18 AM 8:14PM
        5. Astronomical Twilight 5:51 AM 8:40 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 16m
        3. Tomorrow will be 1 minute 27 seconds shorter
        1. Moon 12:16 PM 10:52 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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