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      Elev 6 ft, 28.355 °N 80.703 °W

      Merritt Island, FL

      Updated: 8:54 PM EDT on September 21, 2026 (GMT -4)
      8 minutes ago
      88°
      75°
      81
      Feels Like 86
      Partly Cloudy
      N
      8
      Same 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 09/21
        Low 75°f
        15% Precip. / 0 in
        A stray shower or thunderstorm is possible early. Partly cloudy. Low near 75F. SE winds shifting to SW at 10 to 15 mph.
        Tomorrow
        Tue 09/22
        High 87°f
        24% Precip. / 0 in
        Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. A stray shower or thunderstorm is possible. High 87F. Winds NE at 5 to 10 mph.
        Tomorrow night
        Tue 09/22
        Low 76°f
        23% Precip. / 0 in
        Considerable cloudiness. Low 76F. Winds light and variable.
        Hourly Forecast
        Now
        80°
        9PM
        80°
        10PM
        79°
        11PM
        79°
        12AM
        78°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        76°
        5AM
        76°
        6AM
        76°
        7AM
        76°
        7:11AM
        Sunrise
        8AM
        77°
        9AM
        79°
        10AM
        81°
        11AM
        83°
        12PM
        85°
        1PM
        86°
        2PM
        86°
        3PM
        86°
        4PM
        85°
        5PM
        84°
        6PM
        83°
        7PM
        82°
        7:19PM
        Sunset
        8PM
        81°
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 8 miles
        3. Clouds Partly Cloudy
        4. Dew Point79°F
        5. Humidity 95%
        6. Rainfall 0.13 in
        7. Snow Depth 0 in
        KCOI Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 89°F 94°F 1990
        4. Low 75°F 75°F 65°F 1979
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 89°F 95°F
        4. Low 75°F 75°F 61°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:11 AM 7:19 PM
        3. Civil Twilight 6:47 AM 7:42 PM
        4. Nautical Twilight 6:20 AM 8:10PM
        5. Astronomical Twilight 5:52 AM 8:37 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 7m
        3. Tomorrow will be 1 minute 41 seconds shorter
        1. Moon 5:04 PM 3:11 AM
        2. Waxing Gibbous84% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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        Weather Alerts
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