Preston Weather Forecast

    • 29
    • 46

    Rain

    • 17
    • 38

    Snow Likely

    • 6
    • 24

    Mostly Sunny

    • 4
    • 19

    Partly Sunny

    • 3
    • 19

    Partly Sunny

    • 15
    • 26

    Partly Sunny

Today 18 Jan Northern New London

Mostly cloudy. Rain in the afternoon. Highs in the mid 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 18 Jan Northern New London

Mostly cloudy. A chance of rain in the evening. Lows in the upper 20s. South Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 50 percent.

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Preston Temperature Statistics

January Temperature

Groton / New London, Groton / New London Airport (13 miles)

  • Lowest 7 January, 2025

    16.8 °F

  • Average January

    31.2 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (13 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61 °F
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