10-Day Weather Forecast - Groton, CT

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  • 27|28°F
    Mostly Sunny
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    Today

    27°F

    Mostly sunny. Highs in the lower 30s. North winds around 5 mph becoming southwest this afternoon.

    Tonight

    28°F

    Mostly cloudy. A slight chance of rain and snow in the evening then a slight chance of rain after midnight. Not as cool with lows in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

    Hourly details
  • Day

    47°F

    Partly sunny with a slight chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Not as cool with highs in the upper 40s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

    Night

    34°F

    Mostly cloudy. A chance of rain in the evening. Lows around 30. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

    Hourly details
  • Day

    34°F

    Mostly sunny. Highs in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph.

    Night

    23°F

    Partly cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    33°F

    Sunny. Highs in the upper 30s.

    Night

    25°F

    Partly cloudy in the evening then mostly cloudy with a chance of snow after midnight. Lows in the mid 20s. Chance of snow 30 percent.

    Hourly details
  • Weekend Weather

  • Day

    37°F

    Partly sunny. Highs around 40.

    Night

    30°F

    Mostly cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    34°F

    Partly sunny. A chance of snow in the morning. Highs in the mid 30s. Chance of snow 30 percent.

    Night

    13°F

    Partly cloudy in the evening then becoming mostly clear. Lows 15 to 20.

    Hourly details
  • Day

    24°F

    Sunny cold with highs in the upper 20s.

    Night

    17°F

    Mostly cloudy. Low temperature around 17F. Dew point will be around 9F with an average humidity of 64%. Winds will be 4 mph from the NW.

  • Day

    31°F

    Partly cloudy. High temperature around 31F. Dew point will be around 15F with an average humidity of 63%. Winds will be 4 mph from the NW.

    Night

    19°F

    Clear. Low temperature around 19F. Dew point will be around 13F with an average humidity of 71%. Winds will be 3 mph from the NW.

  • Day

    36°F

    Sunny. High temperature around 36F. Dew point will be around 21F with an average humidity of 68%. Winds will be 4 mph from the SW.

    Night

    32°F

    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 32F. Dew point will be around 28F with an average humidity of 82%. Winds will be 6 mph from the SW.

  • Day

    40°F

    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 40F. Dew point will be around 33F with an average humidity of 83%. Winds will be 5 mph from the SW.

    Night

    29°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 29F. Dew point will be around 28F with an average humidity of 83%. Winds will be 6 mph from the W.