South Brother Weather Forecast

    • 4
    • 28

    Snow

    • 7
    • 16

    Mostly Sunny

    • 15
    • 26

    Mostly Sunny

    • 21
    • 32

    Partly Sunny

    • 25
    • 34

    Chance Rain

    • 21
    • 34

    Slight Chance Rain/Snow

Today 7 Feb Southern New London

Snow. Total snow accumulation of 1 to 3 Inches. Blustery with Highs in the upper 20s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to 15 to 25 Mph with Gusts up to 45 Mph in the afternoon. Chance of snow 90 percent. Wind chill Values as low as zero in the afternoon.

Tonight 7 Feb Southern New London

Mostly cloudy in the Evening, then becoming partly cloudy. Blustery, Colder with Lows around 2 above. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Wind chill Values as low as 17 below.

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South Brother Temperature Statistics

February Temperature

Groton / New London, Groton / New London Airport (9.9 miles)

  • Lowest 3 February, 2026

    8.1 °F
  • Average February

    22 °F
  • Highest 2 February, 2026

    34 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (9.9 miles)

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  • Average Low 2021–2026

    45.4 °F
  • Average 2021–2026

    53.3 °F
  • Average High 2021–2026

    60.8 °F
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