Mystic Weather Forecast

    • 12
    • 22

    Slight Chance Snow

    • 14
    • 27

    Chance Snow

    • 12
    • 31

    Mostly Sunny

    • 16
    • 33

    Partly Sunny

    • 14
    • 32

    Slight Chance Snow

    • 13
    • 29

    Chance Snow

Today 31 Jan Southern New London

Sunny, cold with Highs in the lower 20s. Northwest Winds around 5 Mph. Wind chill Values as low as 7 below in the morning.

Tonight 31 Jan Southern New London

Mostly cloudy. A slight chance of snow after midnight. Lows around 12. North Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of snow 20 percent. Wind chill Values as low as 4 below.

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Mystic Temperature Statistics

January Temperature

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

  • Lowest 24 January, 2026

    6.1 °F

  • Average January

    29.8 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.9 °F
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