Lake Sunapee weather live forecast

Today's maximum temperature in Lake Sunapee is expected to be 19°C. Select a day from the live weather forecast for Lake Sunapee, New Hampshire, USA for more weather parameters.

Monday
12th Oct
19

8

5

4
Tuesday
13th Oct
12

7

0

1
Wednesday
14th Oct
17

10

0

2
Thursday
15th Oct
10

3

6

4
Friday
16th Oct
9

2

1

1

5-day weather forecast updated at 04:02 on Monday 12th October 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 12th October 2026

Expect sunshine and showers in Lake Sunapee, New Hampshire with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 12% chance of some rain and a light breeze of 11 kph from the north-west.

19
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
12
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
11
kph wind from NW

Lake Sunapee weather for Tuesday 13th October 2026

Expect isolated thunderstorms in Lake Sunapee, New Hampshire with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 13 kph from the south-east.

12
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
88
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
13
kph wind from SE

Lake Sunapee weather for Wednesday 14th October 2026

Expect isolated thunderstorms in Lake Sunapee, New Hampshire with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 15 kph from the west.

17
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
24
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Lake Sunapee weather for Thursday 15th October 2026

Expect broken clouds in Lake Sunapee, New Hampshire with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

10
°C maximum temperature
3
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Lake Sunapee weather for Friday 16th October 2026

Expect mostly cloudy with rain in Lake Sunapee, New Hampshire with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 20 kph from the north-west.