Hourly Weather Forecast - Hartsville, SC

3 AM
54°F
10%
8mph
SW
Partly Cloudy
Humidity
96%
Feels like
54°F
Dew Point
53°F
4 AM
55°F
20%
8mph
SW
Partly Cloudy
Humidity
93%
Feels like
55°F
Dew Point
53°F
5 AM
55°F
20%
8mph
SW
Partly Cloudy
Humidity
95%
Feels like
55°F
Dew Point
54°F
6 AM
56°F
50%
8mph
SW
50% Chance of Light Rain
Humidity
93%
Feels like
56°F
Dew Point
55°F
7 AM
57°F
70%
8mph
WSW
70% Chance of Light Rain
Humidity
93%
Feels like
57°F
Dew Point
55°F
7:18 AM
8 AM
57°F
50%
8mph
W
50% Chance of Light Rain
Humidity
87%
Feels like
57°F
Dew Point
53°F
9 AM
56°F
30%
9mph
NNW
30% Chance of Light Rain
Humidity
77%
Feels like
56°F
Dew Point
49°F
10 AM
53°F
10%
11mph
N
Mostly Cloudy
Humidity
66%
Feels like
53°F
Dew Point
42°F
11 AM
50°F
10%
11mph
N
Partly Cloudy
Humidity
54%
Feels like
50°F
Dew Point
35°F
12 PM
49°F
0%
11mph
N
Mostly Sunny
Humidity
45%
Feels like
44°F
Dew Point
29°F
1 PM
48°F
0%
12mph
N
Mostly Sunny
Humidity
39%
Feels like
42°F
Dew Point
24°F
2 PM
46°F
0%
13mph
NNW
Sunny
Humidity
36%
Feels like
41°F
Dew Point
21°F
3 PM
44°F
0%
13mph
NNW
Sunny
Humidity
34%
Feels like
38°F
Dew Point
17°F
4 PM
40°F
0%
13mph
NNW
Sunny
Humidity
34%
Feels like
33°F
Dew Point
14°F
5 PM
37°F
0%
12mph
NNW
Sunny
Humidity
35%
Feels like
29°F
Dew Point
12°F
5:11 PM
6 PM
33°F
0%
12mph
NNW
Clear
Humidity
37%
Feels like
24°F
Dew Point
10°F
7 PM
31°F
0%
12mph
NNW
Clear
Humidity
37%
Feels like
22°F
Dew Point
8°F
8 PM
28°F
0%
11mph
N
Clear
Humidity
37%
Feels like
18°F
Dew Point
6°F
9 PM
26°F
0%
11mph
N
Clear
Humidity
38%
Feels like
15°F
Dew Point
3°F
10 PM
24°F
0%
11mph
N
Clear
Humidity
39%
Feels like
13°F
Dew Point
2°F
11 PM
22°F
0%
10mph
N
Clear
Humidity
41%
Feels like
11°F
Dew Point
2°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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