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      Flood Watch
      until 8:00 AM EDT
      +3 more alerts
      Elev 13 ft, 31.161 °N 81.378 °W

      Saint Simons Island, GA

      Kelvin Grove Station75°
      Updated: 6:43 PM EDT on October 4, 2026 (GMT -4)
      10 minutes ago
      85°
      73°
      75
      Feels Like 77
      Thunderstorm
      N
      3
      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. / 0.28 in
        Showers likely and possibly a thunderstorm this evening, then some lingering showers still possible overnight. Low 74F. Winds light and variable. Chance of rain 100%.
        Tomorrow
        Mon 10/05
        High 78°f
         96% Precip. / 1.19 in
        Showers and thundershowers in the morning, then overcast during the afternoon with occasional rain. High 78F. Winds NE at 10 to 15 mph. Chance of rain 100%. Rainfall possibly over one inch. Locally heavy rainfall possible.
        Tomorrow night
        Mon 10/05
        Low 73°f
         76% Precip. / 0.66 in
        Cloudy with periods of rain. Low 73F. Winds NE at 10 to 20 mph. Chance of rain 80%. Rainfall around a half an inch.
        Hourly Forecast
        Now
        76°
        7PM
        100%
        76°
        7:06PM
        Sunset
        8PM
        85%
        75°
        9PM
        69%
        75°
        10PM
        37%
        76°
        11PM
        75°
        12AM
        76°
        1AM
        75°
        2AM
        34%
        76°
        3AM
        36%
        76°
        4AM
        42%
        76°
        5AM
        35%
        76°
        6AM
        31%
        76°
        7AM
        39%
        75°
        7:21AM
        Sunrise
        8AM
        78%
        75°
        9AM
        77%
        77°
        10AM
        71%
        77°
        11AM
        68%
        77°
        12PM
        73%
        78°
        1PM
        71%
        78°
        2PM
        88%
        77°
        3PM
        94%
        77°
        4PM
        96%
        76°
        5PM
        85%
        76°
        6PM
        83%
        76°
        Precipitation
        100%
        Storms continuing through 10 PM
        Pollen
        None
        Air Quality
        19
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 1.2 miles
        3. Clouds Cloudy
        4. Dew Point75°F
        5. Humidity 96%
        6. Rainfall 2.63 in
        7. Snow Depth 0 in
         KSSI Station History
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 82°F 94°F 1986
        4. Low 73°F 68°F 50°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0.28 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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