Hopatcong Weather Forecast

    • 29
    • 45

    Chance Rain/Snow

    • 35
    • 47

    Mostly Cloudy

    • 41
    • 52

    Chance Rain

    • 32
    • 50

    Slight Chance Rain

    • 35
    • 49

    Partly Sunny

    • 36
    • 52

    Partly Sunny

Today 19 Nov Sussex

Mostly cloudy with rain and snow likely this Morning, then mostly sunny this afternoon. Little or no snow accumulation. Highs in the mid 40s. Northeast Winds around 5 Mph. Chance of precipitation 70 percent.

Tonight 19 Nov Sussex

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows in the upper 20s. North Winds around 5 Mph.

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Hopatcong Temperature Statistics

November Temperature

Andover, Aeroflex-Andover Airport (6.2 miles)

  • Lowest 7 November, 2025

    28 °F

  • Average November

    43.2 °F

  • Highest 5 November, 2025

    64 °F

Climate (2020–Present)

Andover, Aeroflex-Andover Airport (6.2 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    63.9 °F
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