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      Small Craft Advisory
      until 8:00 AM EDT
      Elev 10 ft, 42.249 °N 70.802 °W

      Cohasset, MA

      Black Rock Station48°
      Updated: 4:31 AM EDT on October 31, 2026 (GMT -4)
      3 minutes ago
      52°
      39°
      48
      Feels Like 44
      Clear
      N
      12
      Gusts 19 mph
      Lower temperature is expected today
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sat 10/31
        High 52°f
         1% Precip. / 0 in
        Plentiful sunshine. Cooler. High 52F. Winds NW at 10 to 20 mph.
        Tonight
        Sat 10/31
        Low 36°f
         2% Precip. / 0 in
        Clear skies. Low 36F. Winds light and variable.
        Tomorrow
        Sun 11/01
        High 59°f44°f
         2% Precip. / 0 in
        Sunny skies. High 59F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        48°
        5AM
        48°
        6AM
        47°
        7AM
        45°
        7:15AM
        Sunrise
        8AM
        44°
        9AM
        47°
        10AM
        48°
        11AM
        49°
        12PM
        49°
        1PM
        50°
        2PM
        51°
        3PM
        52°
        4PM
        52°
        5PM
        51°
        5:38PM
        Sunset
        6PM
        48°
        7PM
        45°
        8PM
        44°
        9PM
        43°
        10PM
        42°
        11PM
        41°
        12AM
        41°
        1AM
        40°
        1AM
        39°
        2AM
        38°
        3AM
        37°
        Precipitation
        3%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        18
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.24 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point34°F
        5. Humidity 56%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGHG Station History
        Almanac for October 31, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 52°F 58°F 74°F 2009
        4. Low 39°F 40°F 18°F 1966
        5. Rain/Snow Depth
        6. Precipitation 0 in 4.4 in -
        7. Snow 0 in - in -
        Almanac for November 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 58°F 77°F
        4. Low 36°F 39°F 25°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:15 AM 5:37 PM
        3. Civil Twilight 6:46 AM 6:06 PM
        4. Nautical Twilight 6:12 AM 6:40PM
        5. Astronomical Twilight 5:40 AM 7:12 PM
        1. Length of Visible Light 11h 20m
        2. Length of Day 10h 22m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 10:40 PM 1:21 PM
        2. Waning Gibbous58% of the Moon is Illuminated
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
        Nov 24
        Full Moon
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