Connecticut River - Haddam Island State Park Weather Forecast

    • 20
    • 31

    Cloudy

    • 0
    • 25

    Snow

    • 1
    • 16

    Mostly Sunny

    • 8
    • 25

    Mostly Sunny

    • 16
    • 32

    Partly Sunny

    • 20
    • 35

    Chance Snow

Today 6 Feb Northern Middlesex

Mostly cloudy. Highs around 30. North Winds around 5 Mph, becoming east this afternoon.

Tonight 6 Feb Northern Middlesex

Cloudy. A chance of snow in the Evening, then snow likely after midnight. Snow accumulation around an inch. Lows around 20. Light and variable Winds, becoming south around 5 Mph after midnight. Chance of snow 70 percent.

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Connecticut River - Haddam Island State Park Temperature Statistics

February Temperature

Chester, Chester Airport (7.5 miles)

  • Lowest 1 February, 2026

    6.8 °F

  • Average February

    22.6 °F

  • Highest 2 February, 2026

    35.6 °F

Climate (2021–Present)

Chester, Chester Airport (7.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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