Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 30°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Thursday
11th Jun
30

20

9

7
Friday
12th Jun
32

20

9

8
Saturday
13th Jun
28

17

11

9
Sunday
14th Jun
29

14

7

8
Monday
15th Jun
24

14

9

8

5-day weather forecast updated at 04:04 on Thursday 11th June 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 11th June 2026

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 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a light breeze of 11 kph from the west.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
68
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from W

Lake Sunapee weather for Friday 12th June 2026

Expect isolated thunderstorms in Lake Sunapee, New Hampshire with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a light breeze of 7 kph from the west.

32
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
63
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from W

Lake Sunapee weather for Saturday 13th June 2026

Expect isolated thunderstorms in Lake Sunapee, New Hampshire with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a light breeze of 12 kph from the north-west.

28
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
9
UV index (Very High)
8
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Lake Sunapee weather for Sunday 14th June 2026

Expect sunshine and showers in Lake Sunapee, New Hampshire with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 14 kph from the south.

29
°C maximum temperature
14
°C minimum temperature
sunshine and showers
7
hours of sunshine
8
UV index (Very High)
59
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Lake Sunapee weather for Monday 15th June 2026

Expect sunshine and showers in Lake Sunapee, New Hampshire with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 35% chance of some rain and a light breeze of 12 kph from the west.