Lake John Weather Forecast
- 54
- 76
Sunny
- 58
- 77
Partly Sunny
- 57
- 72
Rain Showers
- 49
- 72
Chance Rain Showers
- 46
- 67
Slight Chance Thunderstorms
- 44
- 66
Mostly Sunny
Today 22 Aug Sullivan
Sunny. Highs in the upper 70s. North Winds around 5 Mph.
Tonight 22 Aug Sullivan
Mostly clear. Lows in the lower 50s. North Winds around 5 Mph.
Lake John Temperature Statistics
August Temperature
Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (28.6 miles)
Lowest 3 August, 2025
51.7 °FAverage August
71.9 °FHighest 12 August, 2025
93.7 °F
Climate (2020–Present)
Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport (28.6 miles)
Average Low 2020–2025
44 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
62.2 °F