Haddam Weather Forecast

    • 0
    • 22

    Mostly Sunny

    • 4
    • 16

    Mostly Sunny

    • 8
    • 21

    Chance Snow

    • 13
    • 24

    Chance Snow

    • 12
    • 32

    Partly Sunny

    • 12
    • 33

    Partly Sunny

    • 9
    • 30

    Partly Sunny

Today 29 Jan Northern Middlesex

Mostly sunny. Cold with Highs in the lower 20s. Northwest Winds 5 to 10 Mph.

Tonight 29 Jan Northern Middlesex

Partly cloudy in the Evening, then becoming mostly clear. Cold with Lows around zero. West Winds around 5 Mph. Wind chill Values as low as 12 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Haddam Temperature Statistics

January Temperature

Chester, Chester Airport (6.2 miles)

  • Lowest 24 January, 2026

    3.2 °F

  • Average January

    29.5 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

Chester, Chester Airport (6.2 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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