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      Small Craft Advisory
      until 8:00 PM EDT
      Elev 13 ft, 31.161 °N 81.378 °W

      St. Simons, GA

      St Simons Island Airport Station81°
      Updated: 9:07 PM EDT on September 22, 2026 (GMT -4)
      8 minutes ago
      88°
      75°
      81
      Feels Like 85
      Fair
      N
      5
      Lower temperature is expected tomorrow
      Wundermap
      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
        Tue 09/22
        Low 75°f
         24% Precip. / 0 in
        Partly cloudy. Low near 75F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 83°f
         49% Precip. / 0.07 in
        Scattered thunderstorms in the morning, then cloudy skies late. High 83F. Winds NNE at 10 to 20 mph. Chance of rain 50%.
        Tomorrow night
        Wed 09/23
        Low 70°f
         33% Precip. / 0.02 in
        A few showers early with overcast skies late. Low around 70F. Winds NNE at 10 to 20 mph. Chance of rain 30%.
        Hourly Forecast
        Now
        80°
        10PM
        80°
        11PM
        80°
        12AM
        80°
        1AM
        79°
        2AM
        78°
        3AM
        78°
        4AM
        77°
        5AM
        77°
        6AM
        77°
        7AM
        47%
        76°
        7:14AM
        Sunrise
        8AM
        49%
        77°
        9AM
        47%
        78°
        10AM
        37%
        79°
        11AM
        32%
        81°
        12PM
        81°
        1PM
        81°
        2PM
        82°
        3PM
        82°
        4PM
        82°
        5PM
        82°
        6PM
        81°
        7PM
        80°
        7:20PM
        Sunset
        8PM
        79°
        9PM
        32%
        79°
        Precipitation
        49%
        Pollen
        None
        Air Quality
        26
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point74°F
        5. Humidity 81%
        6. Rainfall 0.09 in
        7. Snow Depth 0 in
         KSSI Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 85°F 91°F 1980
        4. Low 75°F 71°F 56°F 1982
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 84°F 93°F
        4. Low 75°F 71°F 56°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 7:20 PM
        3. Civil Twilight 6:50 AM 7:44 PM
        4. Nautical Twilight 6:22 AM 8:12PM
        5. Astronomical Twilight 5:53 AM 8:41 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 6m
        3. Tomorrow will be 1 minute 52 seconds shorter
        1. Moon 5:43 PM 4:07 AM
        2. Waxing Gibbous91% 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
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