Caldwell Weather Forecast

    • 26
    • 41

    Mostly Sunny

    • 23
    • 39

    Mostly Cloudy

    • 13
    • 29

    Partly Sunny

    • 27
    • 31

    Mostly Cloudy

    • 32
    • 42

    Chance Rain

    • 28
    • 41

    Chance Snow

    • 21
    • 38

    Chance Rain/Snow

Today 6 Dec Western Essex

Partly sunny. Highs around 40. Southwest Winds around 5 Mph.

Tonight 6 Dec Western Essex

Mostly clear. Lows in the upper 20s. West Winds around 5 Mph.

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Caldwell Temperature Statistics

December Temperature

Caldwell, Essex County Airport (2.5 miles)

  • Lowest 4 December, 2025

    21.9 °F

  • Average December

    33.9 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Caldwell, Essex County Airport (2.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.5 °F
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