Black Rock Weather Forecast

    • 16
    • 29

    Increasing Clouds

    • 22
    • 29

    Mostly Cloudy

    • 5
    • 28

    Snow Likely

    • 9
    • 17

    Mostly Sunny

    • 17
    • 25

    Mostly Sunny

    • 20
    • 31

    Mostly Cloudy

Today 5 Feb Southern New London

Sunny. Highs around 30. Northwest Winds around 5 Mph. Wind chill Values as low as 2 below this morning.

Tonight 5 Feb Southern New London

Mostly clear in the Evening, then becoming partly cloudy. Lows around 12. North Winds around 5 Mph.

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Black Rock Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    10.9 °F

  • Average February

    20.3 °F

  • Highest 2 February, 2026

    34 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.9 °F
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