Groton, Connecticut | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    47°
    Saturday 5/11
    Forecast night icon
    47°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Lows in the mid 40s. East winds around 5 mph.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    55°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Sunday 5/12
    Day
    55°
    Mostly Cloudy
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 50s. East winds 5 to 10 mph becoming south in the afternoon. Chance of rain 20 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the mid 40s. Southwest winds around 5 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Monday 5/13
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
    Night Details
    Mostly cloudy with a 20 percent chance of showers. Lows around 50. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    70°
    Forecast night icon
    Night
    80% Chance of Rain
    57°
    Tuesday 5/14
    Day
    70°
    30% Chance Rain Showers
    Forecast day icon
    Night
    57°
    80% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
    Night Details
    Rain. Lows in the mid 50s. Chance of rain 80 percent.
  • Forecast day icon
    Wednesday
    80% Chance of Rain
    63°
    Forecast night icon
    Night
    60% Chance Rain Showers
    57°
    Wednesday 5/15
    Day
    63°
    80% Chance of Rain
    Forecast day icon
    Night
    57°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain. Highs in the lower 60s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy. Showers likely mainly in the evening. Lows in the mid 50s. Chance of rain 60 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Thursday 5/16
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    Partly Sunny
    67°
    Forecast night icon
    Night
    30% Chance Rain Showers
    57°
    Friday 5/17
    Day
    67°
    Partly Sunny
    Forecast day icon
    Night
    57°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Saturday 5/18
    Day
    63°
    30% Chance Rain Showers
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of showers. Highs in the mid 60s.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 85%. Winds will be 2 mph from the N.
  • Forecast day icon
    Sunday
    Cloudy
    69°
    Forecast night icon
    Night
    Clear
    60°
    Sunday 5/19
    Day
    69°
    Cloudy
    Forecast day icon
    Night
    60°
    Clear
    Forecast night icon
    Day Details
    Cloudy. High temperature around 69F. Dew point will be around 56F with an average humidity of 73%. Winds will be 2 mph from the S.
    Night Details
    Clear. Low temperature around 60F. Dew point will be around 53F with an average humidity of 76%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Monday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Monday 5/20
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 68F. Dew point will be around 52F with an average humidity of 66%. Winds will be 4 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 58F. Dew point will be around 50F with an average humidity of 70%. Winds will be 3 mph from the NW.