Haddam Weather Forecast

    • 63
    • 82

    Rain Showers Likely

    • 64
    • 80

    Rain Showers Likely

    • 61
    • 75

    Rain Showers Likely

    • 62
    • 84

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

    • 67
    • 88

    Chance Rain Showers

    • 69
    • 90

    Slight Chance Rain Showers

Today 25 Jun Northern Middlesex

Mostly sunny. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph.

Tonight 25 Jun Northern Middlesex

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Haddam Temperature Statistics

June Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 1 June, 2026

    46.4 °F

  • Average June

    70.5 °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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