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      High Wind Watch
      until 8:00 PM EDT
      +3 more alerts
      Elev 36 ft, 41.672 °N 70.151 °W

      South Dennis, MA

      South Dennis Station57°
      Updated: 9:56 PM EDT on September 23, 2026 (GMT -4)
      8 minutes ago
      64°
      54°
      57
      Feels Like 57
      Mostly Cloudy
      N
      13
      Gusts 22 mph
      Similar 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
        Wed 09/23
        Low 54°f
         2% Precip. / 0 in
        Partly cloudy. Low 54F. Winds NE at 10 to 20 mph. Coastal flooding possible at high tide.
        Tomorrow
        Thu 09/24
        High 63°f
         3% Precip. / 0 in
        Partly cloudy skies during the morning hours will become overcast in the afternoon. High 63F. Winds NE at 15 to 25 mph. Coastal flooding possible at high tide.
        Tomorrow night
        Thu 09/24
        Low 55°f
         6% Precip. / 0 in
        Cloudy. Low around 55F. Winds NE at 15 to 25 mph. Coastal flooding possible at high tide.
        Hourly Forecast
        Now
        57°
        10PM
        57°
        11PM
        57°
        12AM
        57°
        1AM
        55°
        2AM
        56°
        3AM
        56°
        4AM
        56°
        5AM
        56°
        6AM
        56°
        6:29AM
        Sunrise
        7AM
        56°
        8AM
        59°
        9AM
        60°
        10AM
        61°
        11AM
        62°
        12PM
        62°
        1PM
        63°
        2PM
        63°
        3PM
        63°
        4PM
        62°
        5PM
        61°
        6PM
        60°
        6:34PM
        Sunset
        7PM
        58°
        8PM
        57°
        9PM
        56°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        25
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.47 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point46°F
        5. Humidity 66%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KHYA Station History
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 69°F 86°F 1908
        4. Low 54°F 54°F 31°F 1953
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 25, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 68°F 82°F
        4. Low 54°F 53°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:30 AM 6:34 PM
        3. Civil Twilight 6:02 AM 7:01 PM
        4. Nautical Twilight 5:30 AM 7:34PM
        5. Astronomical Twilight 4:57 AM 8:07 PM
        1. Length of Visible Light 12h 59m
        2. Length of Day 12h 4m
        3. Tomorrow will be 2 minutes 47 seconds shorter
        1. Moon 5:35 PM 4:07 AM
        2. Waxing Gibbous96% 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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