Montclair Weather Forecast

    • 50
    • 67

    Becoming Sunny

    • 57
    • 74

    Rain Showers

    • 47
    • 63

    Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 44
    • 63

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

    • 44
    • 58

    Partly Sunny

Today 18 Oct Western Essex

Mostly sunny. Highs in the upper 60s. Southwest Winds around 5 Mph.

Tonight 18 Oct Western Essex

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. South Winds around 5 Mph.

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Montclair Temperature Statistics

October Temperature

Caldwell, Essex County Airport (5 miles)

  • Lowest 10 October, 2025

    37 °F

  • Average October

    60.1 °F

  • Highest 5 October, 2025

    86 °F

Climate (2020–Present)

Caldwell, Essex County Airport (5 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    65.6 °F
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