Ramapo Mountain Weather Forecast

    • 64
    • 79

    Chance Rain Showers

    • 51
    • 77

    Partly Sunny

    • 55
    • 68

    Rain Showers

    • 55
    • 65

    Rain Showers

    • 50
    • 63

    Slight Chance Rain Showers

    • 47
    • 57

    Chance Rain Showers

    • 48
    • 58

    Mostly Cloudy

Today 17 Sep Western Passaic

Partly sunny with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 17 Sep Western Passaic

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ramapo Mountain Temperature Statistics

September Temperature

Caldwell, Essex County Airport (14.9 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    70.8 °F

  • Highest 3 September, 2026

    86 °F

Climate (2021–2026)

Caldwell, Essex County Airport (14.9 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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