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    1 - 5 of 90 days | All 90 days
    Next 5 Days
    • Early AM

      Sep 30

      48° Lo
      Mostly cloudy
      More
    • Today

      Sep 30

      61° /50°F
      A little rain this afternoon
    • Sat

      Oct 1

      55° /52°
      Breezy with periods of rain
      More
    • Sun

      Oct 2

      62° /55°
      Cloudy with spotty showers
      More
    • Mon

      Oct 3

      63° /54°
      Cloudy with a shower
      More
    52°/50° RealFeel® 50°/44°
    Occasional rain and drizzle
    • 6 mph
    • Precipitation: 60%
    • Rain: 0.13 in
    • Snow: 0 in
    • Humidity: 93%
    • Cloud Cover: 99%
    • Dew Point: 49° F
    • Visibility: 7 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 61° 68° N/A 78°
    Low 50° 45° N/A 54°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:28 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:11 AM
    • Moonset: 6:32 PM
    • Duration: 12:21 hr
    Astronomy

    Groton Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 1:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday night, while rain will spread over the balance of the northeastern United States into the weekend. More >