Connecticut River - Haddam Island State Park Weather Forecast

    • 30
    • 52

    Chance Rain Showers

    • 36
    • 51

    Mostly Sunny

    • 43
    • 58

    Chance Rain Showers

    • 46
    • 71

    Chance Rain Showers

    • 46
    • 60

    Chance Rain Showers

    • 35
    • 61

    Chance Rain Showers

Today 26 Mar Northern Middlesex

Partly sunny. A chance of rain Showers this afternoon. Highs in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 30 percent.

Tonight 26 Mar Northern Middlesex

Partly cloudy with a slight chance of rain and snow Showers in the Evening, then mostly clear after midnight. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 20 percent.

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Connecticut River - Haddam Island State Park Temperature Statistics

March Temperature

Chester, Chester Airport (7.5 miles)

  • Lowest 3 March, 2025

    12.2 °F

  • Average March

    42.6 °F

  • Highest 19 March, 2025

    69.8 °F

Climate (2020–Present)

Chester, Chester Airport (7.5 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.5 °F
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