What is today's weather forecast for Mount Sunapee, NH?

Today's forecast for Mount Sunapee shows a low of 12 degrees Fahrenheit. Mostly cloudy, with a low around 12.

What is the 7-day weather forecast for Mount Sunapee, NH?

The 7-day forecast for Mount Sunapee shows highs from 26 to 49 degrees and lows from 12 to 36 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Mount Sunapee, NH this week?

Yes, rain is possible in Mount Sunapee this week. Precipitation chances: Thursday (80% chance), Friday (80% chance), Saturday (40% chance).

How accurate is the Mount Sunapee weather forecast?

WeatherForYou provides highly accurate Mount Sunapee forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Mount Sunapee, NH Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

15°F
Feels Like 8°F

Humidity 74% Dew Point 8°F Wind SW 4 MPH Gusts 6 Barometer 30.15 in.

Report from a personal weather station 0.5 mi. ESE of central Mount Sunapee
at 7:31 PM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

FriDec 19

80%

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 26°F to a high of 49°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 35°F and lows around 18°F.

This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

Mount Sunapee, NH 7 Day Weather Forecast Details

Monday Dec 15

Night: Mostly cloudy, with a low around 12. Southwest wind 5 to 10 mph.

Tuesday Dec 16

Day: Increasing clouds, with a high near 26. West wind around 5 mph.

Night: Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph.

Wednesday Dec 17

Day: Partly sunny, with a high near 37. Southwest wind around 10 mph, with gusts as high as 20 mph.

Night: Partly cloudy, with a low around 18. West wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday Dec 18

Day: Partly sunny, with a high near 41.

Night: Rain, mainly after 10pm. Low around 36. Breezy. Chance of precipitation is 80%.

Friday Dec 19

Day: Rain, possibly mixing with snow after 4pm, then gradually ending. High near 49. Breezy. Chance of precipitation is 80%.

Night: Mostly cloudy, with a low around 13. Breezy.

Saturday Dec 20

Day: Partly sunny, with a high near 28.

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22.

Sunday Dec 21

Day: Partly sunny, with a high near 35.

Night: Partly cloudy, with a low around 15.

Monday Dec 22

Day: Mostly sunny, with a high near 27.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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