South Lyme Weather Forecast

    • 32
    • 42

    Rain

    • 13
    • 37

    Mostly Sunny

    • 32
    • 33

    Chance Snow

    • 30
    • 47

    Mostly Cloudy

    • 26
    • 41

    Partly Sunny

    • 32
    • 40

    Rain/Snow Likely

Today 31 Jan Southern New London

Light rain likely late this Morning, then rain this afternoon. Near steady temperature in the lower 40s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 31 Jan Southern New London

Light rain in the Evening, then a chance of light rain with a slight chance of light snow after midnight. Lows in the lower 30s. North Winds 5 to 10 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lyme Temperature Statistics

January Temperature

Groton / New London, Groton / New London Airport (10.6 miles)

  • Lowest 22 January, 2025

    5.8 °F

  • Average January

    29.3 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (10.6 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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