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      High Wind Watch
      until 8:00 PM EDT
      +3 more alerts
      Elev 62 ft, 41.700 °N 70.143 °W

      South Dennis, MA

      South Dennis Station57°
      Updated: 11:45 PM EDT on September 23, 2026 (GMT -4)
      9 minutes ago
      64°
      55°
      57
      Feels Like 57
      Mostly Cloudy
      N
      12
      Gusts 19 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 55°f
         1% Precip. / 0 in
        Mostly cloudy skies this evening will become partly cloudy after midnight. Low around 55F. Winds NE at 10 to 20 mph. Coastal flooding possible at high tide.
        Tomorrow
        Thu 09/24
        High 63°f
         2% Precip. / 0 in
        Mainly cloudy. High 63F. Winds NE at 15 to 25 mph. Coastal flooding possible at high tide.
        Tomorrow night
        Thu 09/24
        Low 55°f
         4% Precip. / 0 in
        Overcast. Low around 55F. Winds NE at 10 to 20 mph. Coastal flooding possible at high tide.
        Hourly Forecast
        Now
        58°
        12AM
        57°
        1AM
        57°
        2AM
        57°
        3AM
        56°
        4AM
        56°
        5AM
        56°
        6AM
        56°
        6:30AM
        Sunrise
        7AM
        57°
        8AM
        59°
        9AM
        60°
        10AM
        61°
        11AM
        62°
        12PM
        62°
        1PM
        63°
        2PM
        62°
        3PM
        62°
        4PM
        62°
        5PM
        61°
        6PM
        59°
        6:34PM
        Sunset
        7PM
        58°
        8PM
        57°
        9PM
        56°
        10PM
        56°
        11PM
        57°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        25
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.45 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point46°F
        5. Humidity 64%
        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 55°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 55°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 5:29 AM 7:34PM
        5. Astronomical Twilight 4:56 AM 8:07 PM
        1. Length of Visible Light 12h 59m
        2. Length of Day 12h 4m
        3. Tomorrow will be 2 minutes 45 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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