What is today's weather forecast for Cornwell, SC?

Today's forecast for Cornwell shows a low of 29 degrees Fahrenheit. Mostly clear, with a low around 29.

What is the 7-day weather forecast for Cornwell, SC?

The 7-day forecast for Cornwell shows highs from 55 to 63 degrees and lows from 29 to 46 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Cornwell, SC this week?

Yes, rain is possible in Cornwell this week. Precipitation chances: Thursday (90% chance), Friday (30% chance).

How accurate is the Cornwell weather forecast?

WeatherForYou provides highly accurate Cornwell 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.

Cornwell, SC Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

55°F
Feels Like 55°F

Humidity 22% Dew Point 17°F Wind SE 1 MPH Gusts 2 Barometer 29.6 in.

Solar Rad 170 w/m²

Report from a personal weather station 12 mi. NE of central Cornwell
at 4:02 PM Tue, Dec 16, 2025

Point Forecast at a Glance

TueDec 16

WedDec 17

ThuDec 18

70%

FriDec 19

30%

SatDec 20

SunDec 21

MonDec 22

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 55°F to 63°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 2°F above the historical average for December. Normal highs for this period are around 56°F with lows around 33°F.

This Date in Weather History

1835 - New England experienced one of their coldest days of record. At noon on that bitterly cold Wednesday the mercury stood at four degrees below at Boston, 15 degrees below at Norfolk CT, and 17 degrees below at Hanover NH. The temperature at Boston was 12 degrees below zero by sunset. Gale force winds accompanied the severe cold, and that night a great New York City fire destroyed much of the financial district.

Cornwell, SC 7 Day Weather Forecast Details

Tuesday Dec 16

Night: Mostly clear, with a low around 29. Light southwest wind.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 57. West southwest wind 5 to 7 mph.

Night: Mostly cloudy, with a low around 39. Calm wind.

Thursday Dec 18

Day: Rain likely, mainly after 11am. Cloudy, with a high near 59. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Rain. Low around 46. South southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

Friday Dec 19

Day: A 30 percent chance of rain before 7am. Sunny, with a high near 55.

Night: Clear, with a low around 30.

Saturday Dec 20

Day: Sunny, with a high near 56.

Night: Mostly clear, with a low around 36.

Sunday Dec 21

Day: Sunny, with a high near 63.

Night: Mostly clear, with a low around 37.

Monday Dec 22

Day: Mostly sunny, with a high near 57.

Night: Partly cloudy, with a low around 35.

Tuesday Dec 23

Day: Mostly sunny, with a high near 57.

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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