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      Elev 23 ft, 32.389 °N 80.538 °W

      Saint Helena Island, SC

      Saint Helena Island Station78°
      Updated: 10:41 AM EDT on October 3, 2026 (GMT -4)
      6 minutes ago
      79°
      74°
      78
      Feels Like 80
      Mostly Cloudy
      N
      1
      Lower temperature is expected today
      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
        Today
        Sat 10/03
        High 79°f
         46% Precip. / 0.02 in
        Cloudy with occasional rain showers. High 79F. Winds light and variable. Chance of rain 50%. Locally heavy rainfall possible.
        Tonight
        Sat 10/03
        Low 74°f
         64% Precip. / 0.39 in
        Cloudy skies this evening followed by scattered showers and thunderstorms overnight. Low 74F. Winds light and variable. Chance of rain 60%.
        Tomorrow
        Sun 10/04
        High 81°f72°f
         72% Precip. / 0.49 in
        Thunderstorms likely in the morning. Then a chance of scattered thunderstorms in the afternoon. High 81F. Winds light and variable. Chance of rain 70%.
        Hourly Forecast
        Now
        78°
        11AM
        78°
        12PM
        34%
        78°
        1PM
        35%
        79°
        2PM
        79°
        3PM
        78°
        4PM
        79°
        5PM
        79°
        6PM
        78°
        7PM
        77°
        7:04PM
        Sunset
        8PM
        76°
        9PM
        76°
        10PM
        76°
        11PM
        76°
        12AM
        30%
        75°
        1AM
        33%
        76°
        2AM
        38%
        76°
        3AM
        65%
        76°
        4AM
        59%
        75°
        5AM
        44%
        75°
        6AM
        61%
        75°
        7AM
        69%
        75°
        7:18AM
        Sunrise
        8AM
        72%
        75°
        9AM
        67%
        77°
        10AM
        56%
        78°
        Precipitation
        72%
        Rain possible around 12:30 PM
        Pollen
        None
        Air Quality
        14
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.11 in
        2. Visibility 7 miles
        3. Clouds Mostly Cloudy
        4. Dew Point76°F
        5. Humidity 94%
        6. Rainfall 0.39 in
        7. Snow Depth 0 in
         KARW Station History
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 82°F 97°F 1941
        4. Low 74°F 65°F 43°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0.41 in - in -
        7. Snow 0 in - in -
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 82°F 91°F
        4. Low 73°F 65°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:17 AM 7:04 PM
        3. Civil Twilight 6:53 AM 7:28 PM
        4. Nautical Twilight 6:24 AM 7:57PM
        5. Astronomical Twilight 5:56 AM 8:25 PM
        1. Length of Visible Light 12h 35m
        2. Length of Day 11h 46m
        3. Tomorrow will be 1 minute 59 seconds shorter
        1. Moon - 2:45 PM
        2. Last Quarter54% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
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