Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 11°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Monday
16th Mar
11

0

0

1
Tuesday
17th Mar
10

-8

7

4
Wednesday
18th Mar
0

-9

8

3
Thursday
19th Mar
3

-6

6

3
Friday
20th Mar
7

-2

3

4

5-day weather forecast updated at 04:03 on Monday 16th March 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 16th March 2026

Expect cloudy with some rain in Lake Sunapee, New Hampshire with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 21 kph from the south.

11
°C maximum temperature
0
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Lake Sunapee weather for Tuesday 17th March 2026

Expect cloudy with sleet or snow in Lake Sunapee, New Hampshire with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 27% chance of some sleet or snow and a moderate breeze of 22 kph from the west.

10
°C maximum temperature
-8
°C minimum temperature
cloudy with sleet or snow
7
hours of sunshine
4
UV index (Moderate)
27
% chance of some sleet or snow
<10
mm of sleet/snow expected
0
no heat & humidity
22
kph wind from W

Lake Sunapee weather for Wednesday 18th March 2026

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 0°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the west.

0
°C maximum temperature
-9
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-5
°C wind chill
16
kph wind from W

Lake Sunapee weather for Thursday 19th March 2026

Expect cloudy with sleet or snow in Lake Sunapee, New Hampshire with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 17% chance of some sleet or snow and a light breeze of 12 kph from the south.

3
°C maximum temperature
-6
°C minimum temperature
cloudy with sleet or snow
6
hours of sunshine
3
UV index (Moderate)
17
% chance of some sleet or snow
<2
mm of sleet/snow expected
0
°C wind chill
12
kph wind from S

Lake Sunapee weather for Friday 20th March 2026

Expect mostly cloudy with light snow in Lake Sunapee, New Hampshire with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a gentle breeze of 13 kph from the west.