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      Small Craft Advisory
      until 8:00 PM EDT
      Elev 18 ft, 41.689 °N 69.964 °W

      Chatham, MA

      Chatham Station62°
      Updated: 1:28 AM EDT on September 21, 2026 (GMT -4)
      3 minutes ago
      64°
      53°
      62
      Feels Like 61
      Rain
      N
      8
      Same 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
        Tonight
        Sun 09/20
        Low 60°f
         89% Precip. / 0.1 in
        Cloudy with periods of rain. Low near 60F. Winds ENE at 5 to 10 mph. Chance of rain 90%.
        Tomorrow
        Mon 09/21
        High 63°f
         56% Precip. / 0.02 in
        Rain showers early with some sunshine later in the day. High 63F. Winds NNE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Mon 09/21
        Low 57°f
         4% Precip. / 0 in
        Overcast. Low 57F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        62°
        2AM
        73%
        62°
        3AM
        89%
        62°
        4AM
        82%
        62°
        5AM
        69%
        62°
        6AM
        74%
        62°
        6:26AM
        Sunrise
        7AM
        56%
        62°
        8AM
        37%
        62°
        9AM
        30%
        62°
        10AM
        62°
        11AM
        62°
        12PM
        63°
        1PM
        63°
        2PM
        63°
        3PM
        63°
        4PM
        62°
        5PM
        62°
        6PM
        61°
        6:38PM
        Sunset
        7PM
        59°
        8PM
        59°
        9PM
        59°
        10PM
        59°
        11PM
        58°
        12AM
        58°
        1AM
        59°
        Precipitation
        89%
        Rain likely to continue
        Pollen
        None
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 4 miles
        3. Clouds Cloudy
        4. Dew Point61°F
        5. Humidity 98%
        6. Rainfall 0.31 in
        7. Snow Depth 0 in
         KCQX Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 69°F 79°F 2003
        4. Low 53°F 57°F 47°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.1 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 69°F 79°F
        4. Low 53°F 57°F 44°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:26 AM 6:38 PM
        3. Civil Twilight 5:58 AM 7:06 PM
        4. Nautical Twilight 5:25 AM 7:38PM
        5. Astronomical Twilight 4:52 AM 8:12 PM
        1. Length of Visible Light 13h 7m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 4:20 PM 12:48 AM
        2. Waxing Gibbous77% 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
        Precipitation
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