What is today's weather forecast for Cornish, NH?

Today's forecast for Cornish shows a high of 40 degrees and a low of 20 degrees Fahrenheit. Mostly cloudy, with a high near 40.

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

The 7-day forecast for Cornish shows highs from 27 to 52 degrees and lows from 11 to 35 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Cornish, NH this week?

Yes, rain is possible in Cornish this week. Precipitation chances: Thursday (80% chance), Friday (90% chance), Tuesday (40% chance).

How accurate is the Cornish weather forecast?

WeatherForYou provides highly accurate Cornish 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.

Cornish, NH Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

21°F
Feels Like 21°F

Humidity 75% Dew Point 14°F Wind SSW 1 MPH Gusts 10 Barometer 29.78 in.

Report from a MADIS/MESONET weather station 4.7 mi. E of central Cornish
at 6:45 AM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

FriDec 19

90%

SatDec 20

SunDec 21

MonDec 22

TueDec 23

40%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 40°F, reaching 52°F before cooling to 27°F, then recovering to 31°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 4°F above the historical average for December. Normal highs for this period are around 34°F with lows around 17°F.

This Date in Weather History

1924 - A severe icestorm struck central Illinois. It coated the ground with nearly two inches of glaze at Springfield. The storm caused 21 million dollars damage along with much hardship. Ice was on the trees until the 4th of January, and electricity was not restored until January 10th.

Cornish, NH 7 Day Weather Forecast Details

Wednesday Dec 17

Day: Mostly cloudy, with a high near 40. South wind 5 to 10 mph.

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. West wind 5 to 10 mph becoming light and variable after midnight.

Thursday Dec 18

Day: Mostly sunny, with a high near 44. Light south wind increasing to 5 to 10 mph in the morning.

Night: Rain, mainly after 11pm. Low around 35. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Friday Dec 19

Day: Rain, mainly before 1pm. High near 52. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

Night: Mostly cloudy, with a low around 20.

Saturday Dec 20

Day: Mostly sunny, with a high near 33.

Night: Mostly cloudy, with a low around 25.

Sunday Dec 21

Day: Partly sunny, with a high near 39.

Night: Mostly cloudy, with a low around 16.

Monday Dec 22

Day: Mostly sunny, with a high near 27.

Night: Partly cloudy, with a low around 11.

Tuesday Dec 23

Day: A 40 percent chance of snow. Partly sunny, with a high near 31.

About Cornish, NH

Cornish is a town in Sullivan County, New Hampshire, United States. The population was 1,616 at the 2020 census. Cornish has four covered bridges. Each August, it is home to the Cornish Fair.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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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