Haddam Weather Forecast

    • 43
    • 63

    Slight Chance Rain Showers

    • 50
    • 61

    Rain Showers

    • 48
    • 74

    Rain Showers Likely

    • 44
    • 61

    Chance Rain Showers

    • 45
    • 64

    Partly Sunny

    • 47
    • 64

    Chance Rain Showers

Today 8 May Northern Middlesex

Partly sunny. A slight chance of Showers this morning. Highs in the lower 60s. West Winds 10 to 15 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 20 percent.

Tonight 8 May Northern Middlesex

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Haddam Temperature Statistics

May Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 1 May, 2026

    41 °F

  • Average May

    54 °F

  • Highest 5 May, 2026

    73.4 °F

Climate (2021–Present)

Chester, Chester Airport (6.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.5 °F
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