Upper Greenwood Lake Weather Forecast

    • 18
    • 35

    Decreasing Clouds

    • 22
    • 35

    Partly Sunny

    • 31
    • 44

    Slight Chance Rain

    • 36
    • 51

    Chance Rain

    • 33
    • 48

    Chance Rain/Snow

    • 28
    • 49

    Chance Rain/Snow

Today 17 Mar Western Passaic

Mostly sunny. A chance of Flurries this morning. Much cooler with Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 17 Mar Western Passaic

Mostly cloudy with a chance of Flurries in the Evening, then mostly clear after midnight. Lows around 19. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Upper Greenwood Lake Temperature Statistics

March Temperature

Sussex, Sussex Airport (12.4 miles)

  • Lowest 2 March, 2026

    16 °F

  • Average March

    41.8 °F

  • Highest 10 March, 2026

    80.1 °F

Climate (2021–Present)

Sussex, Sussex Airport (12.4 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.2 °F
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