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

Today's forecast for Marietta shows a low of 17 degrees Fahrenheit. Clear, with a low around 17.

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

The 7-day forecast for Marietta shows highs from 41 to 62 degrees and lows from 17 to 40 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Marietta, SC this week?

Yes, rain is possible in Marietta this week. Precipitation chances: Thursday (70% chance).

How accurate is the Marietta weather forecast?

WeatherForYou provides highly accurate Marietta 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.

Marietta, SC Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

21°F
Feels Like 17°F

Humidity 45% Dew Point 3°F Wind NW 3 MPH Gusts 9 Barometer 30.48 in.

Report from a MADIS/MESONET weather station 2.8 mi. ENE of central Marietta
at 10:45 PM Sun, Dec 14, 2025

Point Forecast at a Glance

SunDec 14

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

30%

FriDec 19

SatDec 20

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 41°F to 58°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 52°F with lows around 31°F.

This Date in Weather History

1988 - Blowing snow was reported in western Kansas, as snow and gusty winds plagued the Central Rockies and Central High Plains. Colorado Springs CO reported thirteen inches of snow. Low pressure in Wisconsin brought heavy snow to the Lake Superior snowbelt area, with 22 inches reported at Marquette MI.

Marietta, SC 7 Day Weather Forecast Details

Sunday Dec 14

Night: Clear, with a low around 17. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 21 mph.

Monday Dec 15

Day: Sunny, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Night: Mostly clear, with a low around 25. Light west southwest wind.

Tuesday Dec 16

Day: Sunny, with a high near 54. Light and variable wind.

Night: Mostly clear, with a low around 33. Calm wind.

Wednesday Dec 17

Day: Partly sunny, with a high near 58.

Night: Partly cloudy, with a low around 40.

Thursday Dec 18

Day: A 30 percent chance of rain after 3pm. Mostly cloudy, with a high near 58.

Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

Friday Dec 19

Day: Sunny, with a high near 57.

Night: Mostly clear, with a low around 32.

Saturday Dec 20

Day: Sunny, with a high near 53.

Night: Partly cloudy, with a low around 40.

Sunday Dec 21

Day: Partly sunny, with a high near 62.

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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