Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 27°F. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Saturday
13th Dec
27

16

0

1
Sunday
14th Dec
23

10

3

1
Monday
15th Dec
16

7

5

1
Tuesday
16th Dec
25

12

4

1
Wednesday
17th Dec
32

16

3

1

5-day weather forecast updated at 04:05 on Friday 12th December 2025 GMT

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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.

Lake Sunapee weather for Saturday 13th December 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 27°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the south-west.

27
°F maximum temperature
16
°F minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
21
°F wind chill
6
mph wind from SW

Lake Sunapee weather for Sunday 14th December 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 23°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the north-west.

23
°F maximum temperature
10
°F minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
12
°F wind chill
9
mph wind from NW

Lake Sunapee weather for Monday 15th December 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 16°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 12 mph from the north-west.

16
°F maximum temperature
7
°F minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
cm of snow expected
3
°F wind chill
12
mph wind from NW

Lake Sunapee weather for Tuesday 16th December 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 25°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the west.

25
°F maximum temperature
12
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
cm of snow expected
16
°F wind chill
7
mph wind from W

Lake Sunapee weather for Wednesday 17th December 2025

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 32°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the south-west.