Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 29°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 15th August 2025 GMT

More about Lake Sunapee

Lake Sunapee by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Hampshire

Momondo: Compare latest car hire deals

  • Search & compare the best car hire deals
  • Free 48-hour cancellation policy & no hidden charges
  • Check prices with Avis, Europcar, Sixt & more
Go to Momondo deal >>

View all Momondo offers

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.

Lake Sunapee weather for Friday 15th August 2025

Expect scattered clouds in Lake Sunapee, New Hampshire with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

Back to top

Lake Sunapee weather for Saturday 16th August 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

Back to top

Lake Sunapee weather for Sunday 17th August 2025

Expect isolated thunderstorms in Lake Sunapee, New Hampshire with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 14 kph from the north-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 14 kph from the North-West14
    kph wind from NW

Back to top

Lake Sunapee weather for Monday 18th August 2025

Expect scattered clouds in Lake Sunapee, New Hampshire with a maximum temperature of 23°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

  • 23°C maximum temperature23
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the North8
    kph wind from N

Back to top

Lake Sunapee weather for Tuesday 19th August 2025

Expect overcast skies in Lake Sunapee, New Hampshire with a maximum temperature of 23°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

Back to top

Hostelworld: Top deals on accommodation

  • Explore cheap accommodation around the world
  • Choose from over 36,000 properties across the globe
  • Get instant confirmation & 24/7 customer service
Go to Hostelworld deal >>

View all Hostelworld offers

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

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^