Hopatcong Weather Forecast

    • 72
    • 98

    Severe Tstms

    • 70
    • 91

    Rain Showers Likely

    • 65
    • 81

    Rain Showers

    • 62
    • 73

    Rain Showers

    • 63
    • 75

    Rain Showers Likely

    • 65
    • 79

    Chance Rain Showers

    • 66
    • 85

    Slight Chance Rain Showers

Today 3 Jul Sussex

Mostly sunny with scattered Showers and Thunderstorms. Some Thunderstorms may produce damaging Winds. Hot. Near steady temperature in the mid 90s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 3 Jul Sussex

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Some Thunderstorms may be severe with damaging Winds. Lows in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hopatcong Temperature Statistics

July Temperature

Andover, Aeroflex-Andover Airport (6.2 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    81.4 °F

  • Highest 1 July, 2026

    93 °F

Climate (2021–2026)

Andover, Aeroflex-Andover Airport (6.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.6 °F
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