Hourly Weather Forecast - Hartsville, SC

12 AM
45°F
10%
6mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
1 AM
45°F
10%
6mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
2 AM
44°F
10%
6mph
SW
Mostly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
43°F
3 AM
44°F
10%
6mph
SW
Partly Cloudy
Humidity
97%
Feels like
41°F
Dew Point
44°F
4 AM
45°F
10%
7mph
SW
Partly Cloudy
Humidity
98%
Feels like
41°F
Dew Point
44°F
5 AM
45°F
10%
7mph
SW
Partly Cloudy
Humidity
98%
Feels like
41°F
Dew Point
44°F
6 AM
46°F
10%
7mph
WSW
Partly Cloudy
Humidity
95%
Feels like
42°F
Dew Point
44°F
7 AM
47°F
10%
7mph
WSW
Partly Cloudy
Humidity
91%
Feels like
44°F
Dew Point
45°F
7:18 AM
8 AM
49°F
10%
7mph
W
Partly Cloudy
Humidity
82%
Feels like
47°F
Dew Point
44°F
9 AM
52°F
10%
7mph
W
Partly Cloudy
Humidity
73%
Feels like
52°F
Dew Point
44°F
10 AM
55°F
10%
7mph
WNW
Mostly Cloudy
Humidity
65%
Feels like
55°F
Dew Point
43°F
11 AM
56°F
10%
7mph
NW
Mostly Cloudy
Humidity
59%
Feels like
56°F
Dew Point
43°F
12 PM
57°F
20%
8mph
NW
Mostly Cloudy
Humidity
54%
Feels like
57°F
Dew Point
41°F
1 PM
57°F
20%
8mph
NW
Mostly Cloudy
Humidity
51%
Feels like
57°F
Dew Point
39°F
2 PM
56°F
20%
8mph
NNW
Mostly Cloudy
Humidity
49%
Feels like
56°F
Dew Point
38°F
3 PM
54°F
20%
8mph
NNW
Mostly Cloudy
Humidity
49%
Feels like
54°F
Dew Point
36°F
4 PM
51°F
20%
9mph
N
Partly Cloudy
Humidity
52%
Feels like
51°F
Dew Point
34°F
5 PM
47°F
10%
9mph
N
Partly Cloudy
Humidity
55%
Feels like
43°F
Dew Point
32°F
5:11 PM
6 PM
44°F
10%
9mph
N
Mostly Clear
Humidity
53%
Feels like
39°F
Dew Point
28°F
7 PM
42°F
10%
9mph
NNE
Clear
Humidity
52%
Feels like
36°F
Dew Point
25°F
8 PM
40°F
10%
10mph
NNE
Clear
Humidity
53%
Feels like
33°F
Dew Point
24°F
9 PM
37°F
10%
10mph
NNE
Clear
Humidity
51%
Feels like
30°F
Dew Point
21°F
10 PM
35°F
10%
11mph
NNE
Clear
Humidity
49%
Feels like
27°F
Dew Point
18°F
11 PM
32°F
10%
10mph
NNE
Clear
Humidity
46%
Feels like
24°F
Dew Point
14°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide