2020 Long Range Weather Forecast for Charleston, SC

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

September 2020 Long Range Weather Forecast for Southeast
DatesWeather Conditions
Sep 1-5Scattered t-storms, hot
Sep 6-8Sunny, cool
Sep 9-16A few t-storms, turning warm
Sep 17-20Hurricane threat
Sep 21-26Sunny, turning cool
Sep 27-30Showers, warm
Septembertemperature 73° (2° below avg. north, avg. south)
precipitation 5.5" (1" above avg.)

October 2020 Long Range Weather Forecast for Southeast
DatesWeather Conditions
Oct 1-7T-storms, then sunny, warm
Oct 8-10Tropical storm threat
Oct 11-18Sunny; cool, then warm
Oct 19-22Tropical storm threat
Oct 23-31Sunny, turning warm
Octobertemperature 68° (4° above avg.)
precipitation 4" (avg.)

Annual Weather Summary
November 2019 to October 2020

Winter will be warmer and rainier than normal, with below-normal snowfall. The coldest periods will be in mid- to late November, early to mid-December, and early and late February. The best chance for snow will be in late February in the north. April and May will be warmer than normal, with rainfall below normal in the north and above normal in the south. Summer will be cooler and rainier than normal, with the hottest periods in late July and mid- and late August. A tropical storm will threaten in mid- to late June. September and October will be warmer and rainier than normal, with a hurricane threat in mid-September and tropical storm threats in mid-October.

Map showing Old Farmer's Almanac long range weather region number 4

About the Southeast Region

The Southeast long range weather region includes all or part of the following states: ALABAMA (Phenix City), GEORGIA (Atlanta, Columbus, Macon, Sandy Springs, Savannah), NORTH CAROLINA (Charlotte, Durham, Fayetteville, Greensboro, Raleigh), SOUTH CAROLINA (Charleston, Columbia, Greenville, North Charleston, Rock Hill), VIRGINIA (Chesapeake, Norfolk, Portsmouth, Suffolk, Virginia Beach).

Southeast Neighboring Regions

Here are the regions that neighbor the Southeast long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Charleston, SC

Reader Comments

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Sept wedding

Beach weddin September 8th 2018. Nervous about weather!

First trip to the Beach

What will weather be week of the 3rd of June 2018 at Myrtle Beach SC?

Weather Forecast for June Wedding

My daughter is having an outdoor wedding June 23, 2018...anxious to know the likelihood of rain..of course we are praying for blue skies!

outdoor wedding Sept. 29, 2018

Wondering what kind of weather we can expect for the end of Sept. for an outdoor wedding on the 29th.

weather forecast September

The Editors's picture

In Region 4, the forecast for September 22-30 is thunderstorms, then sunny, warm.

Spring/Summer 2018

Curious on expectations for spring/summer weather in western piedmont region of NC. Trying to build a house!


My daughter will be having a outdoor wedding. The date is August 11 2018. What can we hope to expect?

weather forecast August

The Editors's picture

In Region 4, the forecast for August 4-14 is scattered thunderstorms; hot, then cool.

ug 4th

My daughter is getting married near Greensboro NC Aug 4th. Your forecast shows showers hot then cooler. Can you be a little more specific? Will it be hot? showers? or cool near the beginning of that time or toward the end? Thank you.

My daughters getting married

What will the weather be like in Raleigh,N.C. on 5/5/18 late afternoon? My daughters getting married and it is outdoors. Thank u