Hourly Weather Forecast - Sumter, SC

12 AM
38°F
0%
2mph
N
Clear
Humidity
72%
Feels like
38°F
Dew Point
29°F
1 AM
37°F
0%
2mph
NNE
Clear
Humidity
71%
Feels like
37°F
Dew Point
28°F
2 AM
36°F
0%
2mph
NNE
Clear
Humidity
72%
Feels like
36°F
Dew Point
28°F
3 AM
35°F
0%
1mph
NE
Clear
Humidity
73%
Feels like
35°F
Dew Point
27°F
4 AM
34°F
0%
1mph
NE
Clear
Humidity
74%
Feels like
34°F
Dew Point
27°F
5 AM
33°F
0%
1mph
ENE
Clear
Humidity
74%
Feels like
33°F
Dew Point
26°F
6 AM
33°F
0%
1mph
ENE
Clear
Humidity
76%
Feels like
33°F
Dew Point
26°F
7 AM
33°F
0%
1mph
ENE
Clear
Humidity
75%
Feels like
33°F
Dew Point
26°F
7:22 AM
8 AM
35°F
0%
2mph
E
Sunny
Humidity
74%
Feels like
35°F
Dew Point
28°F
9 AM
39°F
0%
2mph
E
Sunny
Humidity
66%
Feels like
39°F
Dew Point
29°F
10 AM
42°F
0%
2mph
E
Sunny
Humidity
57%
Feels like
42°F
Dew Point
28°F
11 AM
46°F
0%
2mph
ESE
Sunny
Humidity
52%
Feels like
46°F
Dew Point
29°F
12 PM
49°F
10%
2mph
SE
Sunny
Humidity
48%
Feels like
49°F
Dew Point
30°F
1 PM
51°F
0%
2mph
SE
Sunny
Humidity
46%
Feels like
51°F
Dew Point
31°F
2 PM
53°F
0%
2mph
SSE
Sunny
Humidity
44%
Feels like
53°F
Dew Point
32°F
3 PM
53°F
0%
2mph
SSE
Mostly Sunny
Humidity
46%
Feels like
53°F
Dew Point
33°F
4 PM
52°F
0%
2mph
SSE
Mostly Sunny
Humidity
51%
Feels like
52°F
Dew Point
35°F
5 PM
50°F
0%
2mph
SSE
Mostly Sunny
Humidity
57%
Feels like
50°F
Dew Point
35°F
5:15 PM
6 PM
47°F
0%
2mph
SE
Mostly Clear
Humidity
63%
Feels like
47°F
Dew Point
36°F
7 PM
46°F
0%
2mph
SE
Mostly Clear
Humidity
72%
Feels like
46°F
Dew Point
38°F
8 PM
45°F
0%
2mph
SE
Mostly Clear
Humidity
83%
Feels like
45°F
Dew Point
40°F
9 PM
44°F
0%
2mph
SE
Hazy
Humidity
91%
Feels like
44°F
Dew Point
41°F
10 PM
43°F
0%
1mph
SSE
Hazy
Humidity
95%
Feels like
43°F
Dew Point
41°F
11 PM
42°F
0%
1mph
S
Hazy
Humidity
98%
Feels like
42°F
Dew Point
42°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

How to Measure Snow via NWS

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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