Black Rock Weather Forecast

    • 20
    • 42

    Chance Rain Showers

    • 30
    • 35

    Partly Sunny

    • 29
    • 45

    Rain

    • 20
    • 34

    Partly Sunny

    • 35
    • 39

    Chance Rain/Snow

    • 24
    • 44

    Partly Sunny

Today 29 Jan Southern New London

Partly sunny. A chance of rain Showers with a slight chance of snow Showers in the afternoon. Breezy with Highs in the lower 40s. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 30 percent.

Tonight 29 Jan Southern New London

Partly cloudy in the Evening, then becoming mostly clear. Lows around 20. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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Black Rock Temperature Statistics

January Temperature

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

  • Lowest 22 January, 2025

    5.8 °F

  • Average January

    29 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
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