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      Flood Watch
      until 6:00 PM EDT
      Elev 98 ft, 41.678 °N 70.832 °W

      Mattapoisett, MA

      Mattapoisett Station72°
      Updated: 11:37 AM EDT on September 12, 2026 (GMT -4)
      7 minutes ago
      75°
      48°
      72
      Feels Like 72
      Sunny
      N
      7
      Similar temperature is expected today
      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 09/12
        High 75°f
         1% Precip. / 0 in
        Sunshine and a few afternoon clouds. High near 75F. Winds S at 5 to 10 mph.
        Tonight
        Sat 09/12
        Low 61°f
         10% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low 61F. Winds light and variable.
        Tomorrow
        Sun 09/13
        High 72°f63°f
         99% Precip. / 1.69 in
        Periods of rain. Rain becoming heavy at times in the afternoon. High 72F. Winds SSE at 5 to 10 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Localized flooding is possible.
        Hourly Forecast
        Now
        73°
        12PM
        73°
        1PM
        74°
        2PM
        74°
        3PM
        73°
        4PM
        72°
        5PM
        70°
        6PM
        68°
        6:57PM
        Sunset
        7PM
        66°
        8PM
        63°
        9PM
        62°
        10PM
        62°
        11PM
        62°
        12AM
        62°
        1AM
        63°
        2AM
        63°
        3AM
        64°
        4AM
        65°
        5AM
        65°
        6AM
        66°
        6:21AM
        Sunrise
        7AM
        66°
        8AM
        32%
        68°
        9AM
        65%
        70°
        10AM
        68%
        70°
        11AM
        89%
        71°
        Precipitation
        89%
        Pollen
        None
        Air Quality
        40
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.15 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point52°F
        5. Humidity 49%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KEWB Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 77°F 91°F 1961
        4. Low 48°F 60°F 36°F 1893
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 76°F 86°F
        4. Low 48°F 60°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:20 AM 6:57 PM
        3. Civil Twilight 5:52 AM 7:25 PM
        4. Nautical Twilight 5:19 AM 7:58PM
        5. Astronomical Twilight 4:45 AM 8:32 PM
        1. Length of Visible Light 13h 33m
        2. Length of Day 12h 37m
        3. Tomorrow will be 2 minutes 44 seconds shorter
        1. Moon 7:57 AM 7:26 PM
        2. Waxing Crescent2% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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