Caldwell Weather Forecast

    • 24
    • 45

    Mostly Sunny

    • 29
    • 38

    Snow Likely

    • 33
    • 40

    Snow Likely

    • 29
    • 43

    Partly Sunny

    • 36
    • 42

    Chance Rain

    • 33
    • 53

    Chance Rain

    • 33
    • 44

    Chance Rain

Today 21 Dec Western Essex

Sunny. Highs in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Western Essex

Mostly clear. Lows in the mid 20s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph, decreasing to 20 Mph after midnight.

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Caldwell Temperature Statistics

December Temperature

Caldwell, Essex County Airport (2.5 miles)

  • Lowest 9 December, 2025

    12.9 °F

  • Average December

    31.5 °F

  • Highest 19 December, 2025

    57.9 °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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