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      Elev 100 ft, 42.613 °N 71.575 °W

      Groton, MA

      Groton Station78°
      Updated: 10:25 AM EDT on October 2, 2026 (GMT -4)
      8 minutes ago
      81°
      59°
      78
      Feels Like 79
      Fair
      N
      9
      Gusts 17 mph
      Higher temperature is expected today
      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
        Today
        Fri 10/02
        High 81°f
         37% Precip. / 0.05 in
        A mix of clouds and sun this morning followed by increasing clouds with showers developing this afternoon. High 81F. Winds WSW at 10 to 15 mph. Chance of rain 40%.
        Tonight
        Fri 10/02
        Low 50°f
         15% Precip. / 0 in
        Cloudy early with some clearing expected late. Low near 50F. Winds light and variable.
        Tomorrow
        Sat 10/03
        High 68°f41°f
         4% Precip. / 0 in
        Sunny. High 68F. Winds NNW at 5 to 10 mph.
        Hourly Forecast
        Now
        76°
        11AM
        77°
        12PM
        79°
        1PM
        81°
        2PM
        81°
        3PM
        35%
        81°
        4PM
        32%
        79°
        5PM
        76°
        6PM
        73°
        6:25PM
        Sunset
        7PM
        70°
        8PM
        67°
        9PM
        65°
        10PM
        64°
        11PM
        63°
        12AM
        62°
        1AM
        60°
        2AM
        59°
        3AM
        57°
        4AM
        55°
        5AM
        53°
        6AM
        52°
        6:45AM
        Sunrise
        7AM
        51°
        8AM
        54°
        9AM
        57°
        10AM
        60°
        Precipitation
        35%
        Rain possible after 3 PM
        Pollen
        None
        Air Quality
        64
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.83 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point64°F
        5. Humidity 68%
        6. Rainfall 0.03 in
        7. Snow Depth 0 in
         KFIT Station History
        Almanac for October 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 69°F 86°F 1950
        4. Low 59°F 44°F 16°F 1999
        5. Rain/Snow Depth
        6. Precipitation 0.05 in 2.9 in -
        7. Snow 0 in 0 in -
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 68°F 88°F
        4. Low 45°F 44°F 25°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 6:25 PM
        3. Civil Twilight 6:16 AM 6:53 PM
        4. Nautical Twilight 5:43 AM 7:26PM
        5. Astronomical Twilight 5:10 AM 7:59 PM
        1. Length of Visible Light 12h 37m
        2. Length of Day 11h 41m
        3. Tomorrow will be 2 minutes 52 seconds shorter
        1. Moon 10:22 PM 1:50 PM
        2. Waning Gibbous55% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
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