Connecticut River - Haddam Weather Forecast

    • 62
    • 89

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

    • 72
    • 93

    Slight Chance Thunderstorms

    • 76
    • 99

    Hot

    • 73
    • 99

    Slight Chance Thunderstorms

    • 69
    • 94

    Chance Thunderstorms

Today 29 Jun Northern Middlesex

Sunny. Highs in the upper 80s. North Winds around 5 Mph, becoming southwest around 5 Mph this afternoon.

Tonight 29 Jun Northern Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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Connecticut River - Haddam Temperature Statistics

June Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 1 June, 2026

    46.4 °F

  • Average June

    70.8 °F

  • Highest 11 June, 2026

    93.2 °F

Climate (2021–2026)

Chester, Chester Airport (6.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.5 °F
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