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Sumter, South Carolina Weather Forecast

Sumter County 33.94°N, 80.39°W Pop. 71,518
Open in Local Wx

Today in Sumter: clear skies with a high near 71°F and a low around 44°F. Rain chance 0%. No day tops a 20% rain chance through Thursday. Highs run 70 to 75°F through Thursday.

Forecast updated 4:05 AM EDT, Oct 23

Active Weather Alerts

7-Day Forecast for Sumter

Today 10/23
Clear sky
71°44°
Sat 10/24
Clear sky
70°48°
Sun 10/25
Clear sky
72°48°
Mon 10/26
Clear sky
72°46°
Tue 10/27
Clear sky
75°41°
Wed 10/28
Mostly sunny
72°46°
Thu 10/29
Mostly sunny
73°49°
Hourly charts, 15-day outlook and more for Sumter in Local Wx →

Next 24 Hours

Now12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PMSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM
SkyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyMostly sunnyClear skyClear skyClear skyClear sky
Temp62°65°68°69°70°71°70°68°63°58°56°54°52°52°51°51°51°50°50°49°48°49°53°57°
Rain0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindNE 9NE 10NE 10NNE 9NNE 10NNE 10NE 10NE 8NNE 6NE 5NE 5NE 5NE 5NNE 6NE 7NE 7NE 8NE 9NE 9NE 10NNE 11NNE 11NNE 11NE 13

Growing Conditions

Growing degree days
5,096
since Apr 1, base 50°F
Rain, last 30 days
2.46 in
model analysis
Rain, year to date
25.49 in
since Jan 1
2-inch soil temperature
57°F
yesterday, daily average
Reference ET, last 7 days
0.92 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Sumter →

Current Stats & Observations

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NWS Forecast

About Sumter Weather

Sumter sits at about 180 feet above sea level in Sumter County, South Carolina. About 71,518 people live in the Sumter area. Official forecasts and warnings for the area come from the National Weather Service CAE office, and the nearest NEXRAD radar site is KCAE. The city is in USDA plant hardiness zone 8b, where the coldest winter night typically falls between 15 to 20°F. Over the past ten years the last spring freeze has come around Mar 7 and the first fall freeze around Dec 1.

Nearby Forecasts

Columbia, SC Florence, SC Summerville, SC North Charleston, SC Rock Hill, SC Charleston, SC Mount Pleasant, SC Myrtle Beach, SC

Largest Cities in South Carolina

Charleston, SC Columbia, SC Greenville, SC Myrtle Beach, SC Spartanburg, SC Mauldin, SC Rock Hill, SC North Charleston, SC Florence, SC Mount Pleasant, SC
All South Carolina forecasts (15) → All states → Interactive forecast tools →