NimbocastSumter, SC Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Sumter, Sumter County, South Carolina.
Updated Jul 29, 2026, 3:26 PM local time · Radar refreshes every 5 minutes
☀️
Sumter
95°F
Wind 8 mph
Humidity 33%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Sumter, SC.
Sumter weather radar
Light
Heavy
Next 24 hours
Now
☀️
95°F
4 PM
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96°F
5 PM
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96°F
6 PM
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95°F
1%
7 PM
☀️
94°F
1%
8 PM
☀️
91°F
9 PM
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86°F
10 PM
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84°F
1%
11 PM
☀️
82°F
12 AM
☀️
81°F
1 AM
☀️
80°F
2 AM
☀️
78°F
1%
3 AM
☀️
76°F
4 AM
☀️
75°F
5 AM
☀️
74°F
6 AM
☀️
72°F
7 AM
☀️
71°F
8 AM
☀️
75°F
9 AM
☀️
79°F
10 AM
☀️
83°F
11 AM
☀️
86°F
12 PM
☀️
88°F
1 PM
☀️
90°F
2 PM
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91°F
7-day forecast
Today
Jul 29
⛅
96°F
78°F
36%
Thu
Jul 30
☀️
93°F
71°F
1%
Fri
Jul 31
☁️
97°F
69°F
1%
Sat
Aug 1
🌦️
96°F
75°F
24%
Sun
Aug 2
🌦️
93°F
73°F
70%
Mon
Aug 3
⛈️
81°F
73°F
68%
Tue
Aug 4
🌦️
85°F
71°F
42%
Weather near Sumter
38 mi
Florence, SC40 mi
Columbia, SC42 mi
West Columbia, SC44 mi
Saint Andrews, SC47 mi
Seven Oaks, SC51 mi
Lexington, SC63 mi
Summerville, SC67 mi
Goose Creek, SC
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.