Hourly Weather Forecast - Sumter, SC

12 AM
40°F
0%
2mph
SSW
Hazy
Humidity
91%
Feels like
40°F
Dew Point
37°F
1 AM
39°F
0%
2mph
SSW
Hazy
Humidity
92%
Feels like
39°F
Dew Point
37°F
2 AM
39°F
0%
2mph
SW
Hazy
Humidity
94%
Feels like
39°F
Dew Point
37°F
3 AM
39°F
0%
2mph
SW
Hazy
Humidity
94%
Feels like
39°F
Dew Point
37°F
4 AM
38°F
0%
2mph
SW
Hazy
Humidity
95%
Feels like
38°F
Dew Point
37°F
5 AM
38°F
0%
2mph
WSW
Hazy
Humidity
96%
Feels like
38°F
Dew Point
37°F
6 AM
38°F
0%
2mph
WSW
Hazy
Humidity
97%
Feels like
38°F
Dew Point
37°F
7 AM
39°F
0%
2mph
WSW
Hazy
Humidity
95%
Feels like
39°F
Dew Point
37°F
7:22 AM
8 AM
41°F
10%
1mph
WSW
Sunny
Humidity
88%
Feels like
41°F
Dew Point
38°F
9 AM
45°F
10%
2mph
WSW
Sunny
Humidity
82%
Feels like
45°F
Dew Point
40°F
10 AM
49°F
10%
2mph
WSW
Sunny
Humidity
73%
Feels like
49°F
Dew Point
41°F
11 AM
53°F
10%
2mph
WSW
Sunny
Humidity
66%
Feels like
53°F
Dew Point
42°F
12 PM
56°F
10%
3mph
WSW
Sunny
Humidity
59%
Feels like
56°F
Dew Point
42°F
1 PM
59°F
10%
4mph
WSW
Sunny
Humidity
55%
Feels like
59°F
Dew Point
43°F
2 PM
60°F
10%
4mph
WSW
Sunny
Humidity
54%
Feels like
60°F
Dew Point
43°F
3 PM
60°F
10%
3mph
WSW
Sunny
Humidity
55%
Feels like
60°F
Dew Point
43°F
4 PM
58°F
10%
3mph
WSW
Sunny
Humidity
59%
Feels like
58°F
Dew Point
44°F
5 PM
56°F
10%
2mph
WSW
Sunny
Humidity
64%
Feels like
56°F
Dew Point
44°F
5:16 PM
6 PM
55°F
10%
2mph
W
Clear
Humidity
69%
Feels like
55°F
Dew Point
44°F
7 PM
53°F
10%
2mph
W
Clear
Humidity
71%
Feels like
53°F
Dew Point
44°F
8 PM
52°F
10%
1mph
NW
Clear
Humidity
72%
Feels like
52°F
Dew Point
43°F
9 PM
51°F
10%
1mph
NNW
Clear
Humidity
74%
Feels like
51°F
Dew Point
43°F
10 PM
50°F
10%
1mph
N
Clear
Humidity
75%
Feels like
50°F
Dew Point
43°F
11 PM
49°F
10%
1mph
N
Clear
Humidity
76%
Feels like
49°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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