Ramapo Mountain Weather Forecast

    • 47
    • 62

    Chance Rain Showers

    • 46
    • 65

    Partly Sunny

    • 46
    • 55

    Rain Showers

    • 52
    • 62

    Chance Rain Showers

    • 56
    • 72

    Chance Rain Showers

    • 58
    • 77

    Mostly Cloudy

Today 21 May Western Passaic

Cloudy with a 50 percent chance of Showers. Much cooler with Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 21 May Western Passaic

Partly cloudy in the Evening, then clearing. Lows in the upper 40s. Northeast Winds around 5 Mph.

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Ramapo Mountain Temperature Statistics

May Temperature

Caldwell, Essex County Airport (14.9 miles)

  • Lowest 12 May, 2026

    41 °F

  • Average May

    60.7 °F

  • Highest 18 May, 2026

    91.9 °F

Climate (2021–Present)

Caldwell, Essex County Airport (14.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.2 °F
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