Sumter County, SC Weather Forecast

County weather hub

84°
F

Patchy Fog then Mostly Sunny

Compare major city weather across Sumter County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Monday, April 13, 2026
Wind: 1 to 7 mph SW
Monday

Patchy fog before 9am. Mostly sunny, with a high near 84. Southwest wind 1 to 7 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Sumter County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Sumter County.

Page Snapshot

Page focus
county weather
Forecast window
Apr 13 to Apr 19, 2026
Latest sync
Apr 12, 2026 10:20 PM EDT
Forecast office
CAE
Source
NOAA / NWS
Next High
84°F
Monday
Next Low
58°F
Monday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
5 to 10 mph
Sunday

Daily Outlook

Today
Apr 13
Patchy Fog then Mostly Sunny
84 °F
/ 58°F
Wind 1 to 7 mph
Tue
Apr 14
Sunny
87 °F
/ 59°F
Wind 3 to 7 mph
Wed
Apr 15
Sunny
90 °F
/ 60°F
Wind 3 to 7 mph
Thu
Apr 16
Mostly Sunny
92 °F
/ 60°F
Wind 3 to 7 mph
Fri
Apr 17
Sunny
92 °F
/ 63°F
Wind 5 mph
Sat
Apr 18
Mostly Sunny
94 °F
/ 64°F
Wind 2 to 8 mph
Sun
Apr 19
Partly Sunny
90 °F
Wind 5 to 10 mph

This Week in Sumter County

Saturday looks like the warmest upcoming period in Sumter County at 94 degrees F.

Monday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Sunday at about 5 to 10 mph SW.

The forecast from Apr 13 through Apr 19 stays mostly dry.

Forecast Details

Last updated
Apr 12, 2026 10:20 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
CAE
Radar station
KCAE

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Monday Night
Apr 13
58°F
Partly Cloudy
2 to 6 mph S

Partly cloudy, with a low around 58. South wind 2 to 6 mph.

Tuesday
Apr 14
87°F
Sunny
3 to 7 mph SW

Sunny, with a high near 87. Southwest wind 3 to 7 mph.

Tuesday Night
Apr 14
59°F
Mostly Clear
6 mph SW

Mostly clear, with a low around 59. Southwest wind around 6 mph.

Wednesday
Apr 15
90°F
Sunny
3 to 7 mph SW

Sunny, with a high near 90.

Wednesday Night
Apr 15
60°F
Partly Cloudy
7 mph S

Partly cloudy, with a low around 60.

Thursday
Apr 16
92°F
Mostly Sunny
3 to 7 mph SW

Mostly sunny, with a high near 92.

Thursday Night
Apr 16
60°F
Partly Cloudy
3 to 7 mph S

Partly cloudy, with a low around 60.

Friday
Apr 17
92°F
Sunny
5 mph SW

Sunny, with a high near 92.

Friday Night
Apr 17
63°F
Mostly Clear
3 mph SW

Mostly clear, with a low around 63.

Saturday
Apr 18
94°F
Mostly Sunny
2 to 8 mph S

Mostly sunny, with a high near 94.

Saturday Night
Apr 18
64°F
Partly Cloudy
7 mph S

Partly cloudy, with a low around 64.

Sunday
Apr 19
90°F
Partly Sunny
5 to 10 mph SW

Partly sunny, with a high near 90.

Detailed Forecast

Period Conditions Temp Wind
Monday
Apr 13
Patchy Fog then Mostly Sunny
84°F
1 to 7 mph
SW
Monday Night
Apr 13
Partly Cloudy
58°F
2 to 6 mph
S
Tuesday
Apr 14
Sunny
87°F
3 to 7 mph
SW
Tuesday Night
Apr 14
Mostly Clear
59°F
6 mph
SW
Wednesday
Apr 15
Sunny
90°F
3 to 7 mph
SW
Wednesday Night
Apr 15
Partly Cloudy
60°F
7 mph
S
Thursday
Apr 16
Mostly Sunny
92°F
3 to 7 mph
SW
Thursday Night
Apr 16
Partly Cloudy
60°F
3 to 7 mph
S
Friday
Apr 17
Sunny
92°F
5 mph
SW
Friday Night
Apr 17
Mostly Clear
63°F
3 mph
SW
Saturday
Apr 18
Mostly Sunny
94°F
2 to 8 mph
S
Saturday Night
Apr 18
Partly Cloudy
64°F
7 mph
S
Sunday
Apr 19
Partly Sunny
90°F
5 to 10 mph
SW

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Sumter County.

Largest mapped city population in this region: 39,439.

Sumter courthouse 1369
Sumter courthouse 1369 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.