Hopatcong Weather Forecast

    • 42
    • 55

    Mostly Cloudy

    • 39
    • 59

    Becoming Sunny

    • 36
    • 56

    Partly Sunny

    • 37
    • 60

    Mostly Sunny

    • 35
    • 60

    Partly Sunny

    • 32
    • 54

    Rain Likely

    • 28
    • 46

    Chance Rain/Snow

Today 7 Nov Sussex

Mostly sunny. Highs in the upper 40s.

Tonight 7 Nov Sussex

Mostly cloudy. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hopatcong Temperature Statistics

November Temperature

Andover, Aeroflex-Andover Airport (6.2 miles)

  • Lowest 1 November, 2026

    32 °F

  • Average November

    57 °F

  • Highest 4 November, 2026

    73 °F

Climate (2021–2026)

Andover, Aeroflex-Andover Airport (6.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    63.5 °F
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