Hourly Weather Forecast - Sumter, SC

12 AM
43°F
0%
0mph
ENE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
1 AM
42°F
0%
0mph
ENE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
2 AM
42°F
0%
0mph
ENE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
3 AM
42°F
0%
0mph
ENE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
4 AM
42°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
5 AM
43°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
6 AM
44°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
7 AM
46°F
30%
1mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
46°F
Dew Point
46°F
7:21 AM
8 AM
48°F
30%
1mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
48°F
9 AM
51°F
30%
1mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
10 AM
54°F
40%
2mph
E
40% Chance of Light Rain
Humidity
95%
Feels like
54°F
Dew Point
53°F
11 AM
57°F
40%
2mph
ESE
40% Chance of Light Rain
Humidity
93%
Feels like
57°F
Dew Point
55°F
12 PM
59°F
40%
2mph
SE
40% Chance of Light Rain
Humidity
92%
Feels like
59°F
Dew Point
57°F
1 PM
61°F
40%
3mph
SE
40% Chance of Light Rain
Humidity
91%
Feels like
61°F
Dew Point
58°F
2 PM
62°F
40%
3mph
SE
40% Chance of Light Rain
Humidity
91%
Feels like
62°F
Dew Point
59°F
3 PM
62°F
40%
3mph
SSE
40% Chance of Light Rain
Humidity
93%
Feels like
62°F
Dew Point
60°F
4 PM
62°F
40%
4mph
SSE
40% Chance of Light Rain
Humidity
96%
Feels like
62°F
Dew Point
61°F
5 PM
61°F
40%
4mph
SSE
40% Chance of Light Rain
Humidity
99%
Feels like
61°F
Dew Point
61°F
5:15 PM
6 PM
60°F
40%
4mph
SSE
40% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
7 PM
60°F
50%
4mph
SSE
50% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
8 PM
60°F
70%
5mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
9 PM
60°F
80%
6mph
S
80% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
10 PM
60°F
80%
6mph
S
80% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
11 PM
60°F
70%
7mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

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How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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