Mystic Weather Forecast

    • 58
    • 72

    Mostly Sunny

    • 64
    • 72

    Partly Sunny

    • 67
    • 75

    Mostly Cloudy

    • 64
    • 75

    Chance Rain Showers

    • 58
    • 73

    Chance Rain Showers

    • 58
    • 72

    Slight Chance Rain Showers

Today 20 Sep Southern New London

Sunny. Highs in the lower 70s. Northeast Winds around 5 Mph, becoming southeast this afternoon.

Tonight 20 Sep Southern New London

Mostly clear. Lows in the upper 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (4.3 miles)

  • Lowest 11 September, 2021

    51.1 °F
  • Average September

    69 °F
  • Highest 13 September, 2021

    81 °F

Climate (2010–Present)

Groton / New London, Groton / New London Airport (4.3 miles)

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  • Average Low 2010–Present

    45.5 °F
  • Average 2010–Present

    52.7 °F
  • Average High 2010–Present

    59.8 °F
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