Hourly Weather Forecast - Johnston, SC

12 AM
39°F
0%
2mph
NW
Clear
Humidity
70%
Feels like
39°F
Dew Point
30°F
1 AM
38°F
0%
1mph
NNW
Clear
Humidity
72%
Feels like
38°F
Dew Point
30°F
2 AM
37°F
0%
1mph
NNW
Clear
Humidity
72%
Feels like
37°F
Dew Point
29°F
3 AM
36°F
0%
2mph
N
Clear
Humidity
72%
Feels like
36°F
Dew Point
28°F
4 AM
35°F
0%
2mph
N
Clear
Humidity
73%
Feels like
35°F
Dew Point
28°F
5 AM
34°F
0%
2mph
NNE
Clear
Humidity
74%
Feels like
34°F
Dew Point
27°F
6 AM
33°F
0%
2mph
NE
Clear
Humidity
76%
Feels like
33°F
Dew Point
26°F
7 AM
33°F
0%
2mph
NE
Clear
Humidity
74%
Feels like
33°F
Dew Point
26°F
7:27 AM
8 AM
37°F
0%
3mph
ENE
Sunny
Humidity
68%
Feels like
37°F
Dew Point
27°F
9 AM
41°F
0%
3mph
E
Sunny
Humidity
60%
Feels like
40°F
Dew Point
29°F
10 AM
46°F
0%
4mph
ESE
Sunny
Humidity
53%
Feels like
44°F
Dew Point
30°F
11 AM
50°F
0%
4mph
SE
Sunny
Humidity
47%
Feels like
48°F
Dew Point
30°F
12 PM
53°F
0%
5mph
SE
Sunny
Humidity
42%
Feels like
53°F
Dew Point
31°F
1 PM
56°F
0%
5mph
SSE
Sunny
Humidity
39%
Feels like
56°F
Dew Point
31°F
2 PM
58°F
0%
6mph
SSE
Sunny
Humidity
38%
Feels like
58°F
Dew Point
32°F
3 PM
58°F
0%
5mph
SSE
Sunny
Humidity
39%
Feels like
58°F
Dew Point
33°F
4 PM
57°F
0%
5mph
SSE
Sunny
Humidity
42%
Feels like
57°F
Dew Point
35°F
5 PM
54°F
0%
4mph
SSE
Sunny
Humidity
49%
Feels like
54°F
Dew Point
36°F
5:21 PM
6 PM
50°F
0%
4mph
SSE
Clear
Humidity
58%
Feels like
50°F
Dew Point
36°F
7 PM
47°F
0%
3mph
SSE
Clear
Humidity
66%
Feels like
47°F
Dew Point
36°F
8 PM
45°F
0%
3mph
SSE
Clear
Humidity
70%
Feels like
45°F
Dew Point
35°F
9 PM
44°F
0%
3mph
S
Clear
Humidity
72%
Feels like
42°F
Dew Point
35°F
10 PM
42°F
0%
3mph
S
Clear
Humidity
74%
Feels like
41°F
Dew Point
35°F
11 PM
42°F
0%
4mph
SSW
Clear
Humidity
77%
Feels like
40°F
Dew Point
35°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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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