Haddam Weather Forecast

    • 19
    • 44

    Partly Sunny

    • 18
    • 42

    Slight Chance Snow

    • 13
    • 28

    Mostly Cloudy

    • 25
    • 41

    Partly Sunny

    • 30
    • 52

    Mostly Cloudy

    • 22
    • 41

    Partly Sunny

Today 5 Dec Washington

Mostly sunny. Not as cool with Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west this afternoon.

Tonight 5 Dec Washington

Partly cloudy. Cold with Lows around 19. Northwest Winds around 5 Mph, becoming north around 5 Mph after midnight.

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Haddam Temperature Statistics

December Temperature

Hebron, Hebron Municipal Airport (24.9 miles)

  • Lowest 2 December, 2025

    9.1 °F

  • Average December

    24.3 °F

  • Highest 2 December, 2025

    37 °F

Climate (2020–Present)

Hebron, Hebron Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    66.4 °F
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