Lake John Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 55
    • 74

    Partly Sunny

    • 62
    • 77

    Mostly Cloudy

    • 63
    • 78

    Chance Rain Showers

    • 65
    • 80

    Chance Thunderstorms

    • 63
    • 80

    Rain Showers Likely

    • 59
    • 78

    Chance Rain Showers

Today 28 Aug Sullivan

Sunny. Near steady temperature in the lower 70s. North Winds around 5 Mph.

Tonight 28 Aug Sullivan

Mostly clear. Cooler with Lows in the upper 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake John Temperature Statistics

August Temperature

Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (28.6 miles)

  • Lowest 24 August, 2026

    53.7 °F

  • Average August

    71.5 °F

  • Highest 6 August, 2026

    89.7 °F

Climate (2021–2026)

Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (28.6 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.9 °F
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