Caldwell Weather Forecast

    • 24
    • 49

    Rain

    • 23
    • 31

    Mostly Cloudy

    • 20
    • 33

    Mostly Cloudy

    • 17
    • 28

    Slight Chance Snow

    • 19
    • 29

    Partly Sunny

    • 24
    • 34

    Slight Chance Snow

Today 29 Dec Western Essex

Rain. Not as cool with Highs in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph, increasing to west 15 to 20 Mph with Gusts up to 35 Mph this afternoon. Chance of rain 90 percent.

Tonight 29 Dec Western Essex

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. West Winds 15 to 20 Mph with Gusts up to 40 Mph.

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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

    32 °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

    65.4 °F
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