Connecticut River - Haddam Weather Forecast

    • 67
    • 75

    Mostly Cloudy

    • 64
    • 86

    Partly Sunny

    • 67
    • 86

    Mostly Sunny

    • 61
    • 84

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

    • 63
    • 79

    Chance Rain Showers

    • 62
    • 79

    Rain Showers Likely

Today 17 Aug Northern Middlesex

Mostly cloudy. Near steady temperature in the lower 70s. Northeast Winds around 5 Mph.

Tonight 17 Aug Northern Middlesex

Mostly cloudy this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Connecticut River - Haddam Temperature Statistics

August Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 4 August, 2026

    60.8 °F

  • Average August

    76.2 °F

  • Highest 7 August, 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

    62.6 °F
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