Lake Sunapee weather live forecast

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Lake Sunapee by month

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The 5-day weather forecast for New Hampshire (Lake Sunapee) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lake Sunapee weather forecast by day

Below are the detailed weather forecasts for Lake Sunapee for the next 5 days.

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Metric (°C / mm)  |  Imperial (°F / inches)

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