Mirror Lake Weather Forecast

    • 62
    • 79

    Increasing Clouds

    • 59
    • 79

    Rain Showers

    • 49
    • 73

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 58
    • 81

    Chance Rain Showers

Today 12 Sep Rockland

Mostly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming south this afternoon.

Tonight 12 Sep Rockland

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Real-Time

Mirror Lake Temperature Statistics

September Temperature

Caldwell, Essex County Airport (19.9 miles)

  • Lowest 7 September, 2026

    55 °F

  • Average September

    71.5 °F

  • Highest 3 September, 2026

    86 °F

Climate (2021–2026)

Caldwell, Essex County Airport (19.9 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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