Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 3°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Thursday
19th Feb
3

-8

9

2
Friday
20th Feb
1

-5

0

2
Saturday
21st Feb
-2

-10

1

2
Sunday
22nd Feb
0

-12

11

3
Monday
23rd Feb
-1

-8

3

2

5-day weather forecast updated at 04:04 on Thursday 19th February 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 Thursday 19th February 2026

Expect scattered clouds in Lake Sunapee, New Hampshire with a maximum temperature of 3°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-west.

3
°C maximum temperature
-8
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
4
kph wind from NW

Lake Sunapee weather for Friday 20th February 2026

Expect overcast with light snow in Lake Sunapee, New Hampshire with a maximum temperature of 1°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 cm of snow expected with 98% chance of some snow and a light breeze of 10 kph from the east.

1
°C maximum temperature
-5
°C minimum temperature
overcast with light snow
0
hours of sunshine
2
UV index (Low)
98
% chance of some snow
<20
cm of snow expected
-2
°C wind chill
10
kph wind from E

Lake Sunapee weather for Saturday 21st February 2026

Expect mostly cloudy with light snow in Lake Sunapee, New Hampshire with a maximum temperature of -2°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 98% chance of some snow and little or no wind of 5 kph from the east.

-2
°C maximum temperature
-10
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
2
UV index (Low)
98
% chance of some snow
<5
cm of snow expected
-4
°C wind chill
5
kph wind from E

Lake Sunapee weather for Sunday 22nd February 2026

Expect clear skies in Lake Sunapee, New Hampshire with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 cm of snow expected and little or no wind of 6 kph from the east.

0
°C maximum temperature
-12
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-2
°C wind chill
6
kph wind from E

Lake Sunapee weather for Monday 23rd February 2026

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of -1°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the north-east.