Haddam Weather Forecast

    • 14
    • 26

    Becoming Sunny

    • 20
    • 45

    Partly Sunny

    • 16
    • 47

    Mostly Sunny

    • 5
    • 36

    Mostly Cloudy

    • -2
    • 13

    Mostly Cloudy

    • 2
    • 15

    Slight Chance Snow

    • 9
    • 26

    Mostly Cloudy

Today 19 Jan Washington

Sunny. Much Colder with Highs in the mid 20s. West Winds 5 to 10 Mph.

Tonight 19 Jan Washington

Mostly clear. Cold with Lows around 15. South Winds 5 to 10 Mph, becoming west after midnight.

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Haddam Temperature Statistics

January Temperature

Hebron, Hebron Municipal Airport (24.9 miles)

  • Lowest 17 January, 2026

    7 °F

  • Average January

    35.1 °F

  • Highest 4 January, 2026

    63.7 °F

Climate (2021–Present)

Hebron, Hebron Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    66.4 °F
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