Black Rock Weather Forecast

    • 47
    • 61

    Becoming Sunny

    • 44
    • 57

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 38
    • 59

    Partly Sunny

    • 37
    • 55

    Rain Likely

    • 33
    • 49

    Chance Rain

Today 8 Nov Southern New London

Sunny. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 8 Nov Southern New London

Mostly clear. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Black Rock Temperature Statistics

November Temperature

Groton / New London, Groton / New London Airport (1.2 miles)

  • Lowest 1 November, 2026

    33.1 °F

  • Average November

    56.8 °F

  • Highest 5 November, 2026

    69.1 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (1.2 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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