Greenwood Lake Weather Forecast

    • 51
    • 66

    Mostly Cloudy

    • 47
    • 63

    Mostly Cloudy

    • 46
    • 64

    Partly Sunny

    • 46
    • 63

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 49
    • 63

    Chance Rain Showers

    • 49
    • 66

    Mostly Cloudy

Today 21 Sep Orange

Mostly sunny. Highs in the upper 60s.

Tonight 21 Sep Orange

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenwood Lake Temperature Statistics

September Temperature

Sussex, Sussex Airport (16.8 miles)

  • Lowest 19 September, 2026

    57.9 °F

  • Average September

    69.1 °F

  • Highest 18 September, 2026

    82 °F

Climate (2021–2026)

Sussex, Sussex Airport (16.8 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.2 °F
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