Upper Montclair Weather Forecast

    • 3
    • 21

    Becoming Sunny

    • 4
    • 16

    Mostly Sunny

    • 9
    • 20

    Chance Snow

    • 15
    • 23

    Chance Snow

    • 14
    • 32

    Mostly Sunny

    • 17
    • 33

    Partly Sunny

Today 29 Jan Western Essex

Mostly sunny. Cold with Highs in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Western Essex

Mostly clear. Cold with Lows around 2 above. West Winds 5 to 10 Mph. Wind chill Values as low as 9 below after midnight.

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Upper Montclair Temperature Statistics

January Temperature

Caldwell, Essex County Airport (4.3 miles)

  • Lowest 21 January, 2026

    5 °F

  • Average January

    30.1 °F

  • Highest 9 January, 2026

    52 °F

Climate (2021–Present)

Caldwell, Essex County Airport (4.3 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    65.3 °F
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