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      Elev 16 ft, 24.551 °N 81.789 °W

      Key West, FL

      33040 Station81°
      Updated: 1:36 PM EDT on September 17, 2026 (GMT -4)
      1 minute ago
      89°
      78°
      81
      Feels Like 88
      Mostly Cloudy
      N
      9
      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
        Thu 09/17
        High 87°f
         38% Precip. / 0 in
        Overcast with rain showers at times. High 87F. Winds E at 10 to 15 mph. Chance of rain 40%.
        Tonight
        Thu 09/17
        Low 81°f
         54% Precip. / 0.31 in
        Considerable cloudiness. Occasional rain showers after midnight. Low 81F. Winds ENE at 10 to 15 mph. Chance of rain 50%.
        Tomorrow
        Fri 09/18
        High 85°f79°f
         65% Precip. / 0.41 in
        Thunderstorms in the morning, then cloudy skies late. High near 85F. Winds E at 5 to 10 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        83°
        2PM
        54%
        83°
        3PM
        49%
        84°
        4PM
        84°
        5PM
        85°
        6PM
        86°
        7PM
        50%
        85°
        7:28PM
        Sunset
        8PM
        50%
        83°
        9PM
        83°
        10PM
        84°
        11PM
        83°
        12AM
        83°
        1AM
        84°
        2AM
        83°
        3AM
        83°
        4AM
        33%
        83°
        5AM
        48%
        83°
        6AM
        43%
        82°
        7AM
        33%
        82°
        7:14AM
        Sunrise
        8AM
        65%
        82°
        9AM
        62%
        83°
        10AM
        47%
        83°
        11AM
        37%
        84°
        12PM
        31%
        84°
        1PM
        84°
        Precipitation
        65%
        Thunderstorms possible after 2 PM
        Pollen
        None
        Air Quality
        24
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 30.03 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point77°F
        5. Humidity 82%
        6. Rainfall 0.29 in
        7. Snow Depth 0 in
         KEYW Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 89°F 92°F 2019
        4. Low 78°F 79°F 69°F 1985
        5. Rain/Snow Depth
        6. Precipitation 0.31 in - in -
        7. Snow 0 in - in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 89°F 93°F
        4. Low 78°F 79°F 70°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 7:28 PM
        3. Civil Twilight 6:51 AM 7:51 PM
        4. Nautical Twilight 6:24 AM 8:18PM
        5. Astronomical Twilight 5:57 AM 8:44 PM
        1. Length of Visible Light 13h 0m
        2. Length of Day 12h 14m
        3. Tomorrow will be 1 minute 25 seconds shorter
        1. Moon 1:16 PM 11:46 PM
        2. Waxing Crescent39% 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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