Lake Sunapee Weather Forecast
- 54
- 73
Sunny
- 58
- 79
Sunny
- 61
- 82
Mostly Sunny
- 61
- 81
Mostly Cloudy
- 61
- 79
Mostly Cloudy
- 61
- 77
Isolated Thunderstorms
Today 2 Aug Sullivan
Sunny. Highs in the mid 70s. Light and variable Winds.
Tonight 2 Aug Sullivan
Clear, hazy. Lows in the lower 50s. Light and variable Winds.
Lake Sunapee Temperature Statistics
August Temperature
Lebanon Municipal Airport (21.1 miles)
Lowest
–Average August
–Highest
–
Climate (2020–Present)
Lebanon Municipal Airport (21.1 miles)
Average Low 2020–2025
38.2 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
59.8 °F