Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be -7°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Monday
5th Jan
-7

-15

1

1
Tuesday
6th Jan
-2

-8

2

1
Wednesday
7th Jan
2

-3

2

1
Thursday
8th Jan
3

-3

2

1
Friday
9th Jan
7

-2

0

1

5-day weather forecast updated at 04:04 on Monday 5th January 2026 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 Monday 5th January 2026

Expect mostly cloudy with light snow in Lake Sunapee, New Hampshire with a maximum temperature of -7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 91% chance of some snow and a light breeze of 7 kph from the west.

-7
°C maximum temperature
-15
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
91
% chance of some snow
<5
cm of snow expected
-11
°C wind chill
7
kph wind from W

Lake Sunapee weather for Tuesday 6th January 2026

Expect mostly cloudy with light snow in Lake Sunapee, New Hampshire with a maximum temperature of -2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 91% chance of some snow and little or no wind of 6 kph from the south-east.

-2
°C maximum temperature
-8
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
91
% chance of some snow
<2
cm of snow expected
-4
°C wind chill
6
kph wind from SE

Lake Sunapee weather for Wednesday 7th January 2026

Expect mostly cloudy with light snow in Lake Sunapee, New Hampshire with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 46% chance of some snow and a light breeze of 12 kph from the north-west.

2
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
46
% chance of some snow
<5
cm of snow expected
-1
°C wind chill
12
kph wind from NW

Lake Sunapee weather for Thursday 8th January 2026

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

3
°C maximum temperature
-3
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
8
kph wind from NW

Lake Sunapee weather for Friday 9th January 2026

Expect overcast with light rain in Lake Sunapee, New Hampshire with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a light breeze of 10 kph from the south-west.