Hourly Weather Forecast - Hartsville, SC

12 AM
38°F
0%
6mph
NNE
Clear
Humidity
44%
Feels like
33°F
Dew Point
18°F
1 AM
37°F
0%
6mph
NE
Clear
Humidity
45%
Feels like
32°F
Dew Point
17°F
2 AM
35°F
0%
6mph
NE
Clear
Humidity
47%
Feels like
30°F
Dew Point
17°F
3 AM
33°F
0%
6mph
NE
Clear
Humidity
51%
Feels like
28°F
Dew Point
17°F
4 AM
32°F
0%
5mph
NE
Clear
Humidity
54%
Feels like
27°F
Dew Point
17°F
5 AM
31°F
0%
5mph
NE
Clear
Humidity
57%
Feels like
25°F
Dew Point
18°F
6 AM
31°F
0%
5mph
NE
Clear
Humidity
58%
Feels like
25°F
Dew Point
18°F
7 AM
32°F
0%
5mph
NE
Clear
Humidity
57%
Feels like
27°F
Dew Point
18°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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