Tupper Lake Weather Forecast
- 41
- 69
Increasing Clouds
- 54
- 74
Chance Rain Showers
- 53
- 68
Chance Rain Showers
- 48
- 71
Mostly Sunny
- 53
- 77
Mostly Sunny
- 57
- 80
Chance Rain Showers
Today 18 Aug Southeastern St. Lawrence
Mostly sunny. Highs in the upper 60s. Light and variable Winds.
Tonight 18 Aug Southeastern St. Lawrence
Partly cloudy. Lows in the mid 40s. Light and variable Winds.
Tupper Lake Temperature Statistics
August Temperature
Saranac Lake, Adirondack Regional Airport (21.7 miles)
Lowest 1 August, 2025
37.7 °FAverage August
65.3 °FHighest 12 August, 2025
91.7 °F
Climate (2020–Present)
Saranac Lake, Adirondack Regional Airport (21.7 miles)
Average Low 2020–2025
31.3 °FAverage 2020–2025
42.8 °FAverage High 2020–2025
53.5 °F