Upper Montclair Weather Forecast

    • 38
    • 48

    Increasing Clouds

    • 33
    • 51

    Partly Sunny

    • 43
    • 50

    Rain

    • 35
    • 63

    Rain

    • 26
    • 43

    Partly Sunny

    • 28
    • 40

    Partly Sunny

Today 13 Mar Western Essex

Mostly sunny. Highs in the upper 40s. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 13 Mar Western Essex

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. South Winds 10 to 15 Mph, becoming southwest 15 to 20 Mph after midnight. Gusts up to 35 Mph.

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Upper Montclair Temperature Statistics

March Temperature

Caldwell, Essex County Airport (4.3 miles)

  • Lowest 2 March, 2026

    21 °F

  • Average March

    43.1 °F

  • Highest 10 March, 2026

    80.1 °F

Climate (2021–Present)

Caldwell, Essex County Airport (4.3 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.3 °F
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