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      Special Marine Warning
      until 9:30 PM EDT
      +4 more alerts
      Elev 13 ft, 31.161 °N 81.378 °W

      Saint Simons Island, GA

      Kelvin Grove Station75°
      Updated: 7:38 PM EDT on October 4, 2026 (GMT -4)
      10 minutes ago
      86°
      73°
      75
      Feels Like 77
      Rain
      N
      6
      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
        Sun 10/04
        Low 74°f
         100% Precip. / 0.13 in
        A steady rain this evening. Showers continuing overnight. Low 74F. Winds NNE at 5 to 10 mph. Chance of rain 100%.
        Tomorrow
        Mon 10/05
        High 78°f
         78% Precip. / 0.71 in
        Rain. High 78F. Winds NNE at 10 to 15 mph. Chance of rain 80%. Rainfall around a half an inch. Locally heavy rainfall possible.
        Tomorrow night
        Mon 10/05
        Low 73°f
         89% Precip. / 0.63 in
        Rain likely. Low 73F. Winds NE at 10 to 15 mph. Chance of rain 90%. Rainfall near a half an inch.
        Hourly Forecast
        Now
        76°
        8PM
        100%
        75°
        9PM
        59%
        75°
        10PM
        75°
        11PM
        76°
        12AM
        76°
        1AM
        76°
        2AM
        76°
        3AM
        39%
        76°
        4AM
        45%
        76°
        5AM
        52%
        76°
        6AM
        36%
        76°
        7AM
        52%
        75°
        7:21AM
        Sunrise
        8AM
        73%
        75°
        9AM
        75%
        76°
        10AM
        69%
        76°
        11AM
        66%
        77°
        12PM
        62%
        78°
        1PM
        66%
        78°
        2PM
        77%
        77°
        3PM
        70%
        77°
        4PM
        72%
        76°
        5PM
        78%
        76°
        6PM
        75%
        76°
        7PM
        63%
        76°
        Precipitation
        100%
        Rain likely to end around 10:15 PM
        Pollen
        None
        Air Quality
        19
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 3 miles
        3. Clouds Cloudy
        4. Dew Point75°F
        5. Humidity 96%
        6. Rainfall 2.71 in
        7. Snow Depth 0 in
         KSSI Station History
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 82°F 94°F 1986
        4. Low 73°F 68°F 50°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0.13 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for October 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 82°F 95°F
        4. Low 74°F 68°F 52°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:21 AM 7:06 PM
        3. Civil Twilight 6:56 AM 7:30 PM
        4. Nautical Twilight 6:28 AM 7:58PM
        5. Astronomical Twilight 6:00 AM 8:26 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 45m
        3. Tomorrow will be 1 minute 52 seconds shorter
        1. Moon 12:54 AM 3:33 PM
        2. Waning Crescent42% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
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