Hourly Weather Forecast - Johnston, SC

12 AM
40°F
0%
0mph
W
Partly Cloudy
Humidity
98%
Feels like
40°F
Dew Point
40°F
1 AM
39°F
0%
0mph
SE
Partly Cloudy
Humidity
98%
Feels like
39°F
Dew Point
39°F
2 AM
38°F
0%
0mph
ESE
Partly Cloudy
Humidity
98%
Feels like
38°F
Dew Point
38°F
3 AM
38°F
0%
1mph
ESE
Partly Cloudy
Humidity
98%
Feels like
38°F
Dew Point
37°F
4 AM
38°F
0%
1mph
ESE
Partly Cloudy
Humidity
98%
Feels like
38°F
Dew Point
37°F
5 AM
37°F
0%
1mph
E
Partly Cloudy
Humidity
98%
Feels like
37°F
Dew Point
37°F
6 AM
37°F
0%
1mph
E
Cloudy
Humidity
98%
Feels like
37°F
Dew Point
36°F
7 AM
37°F
0%
1mph
E
Cloudy
Humidity
98%
Feels like
37°F
Dew Point
37°F
7:18 AM
8 AM
39°F
0%
1mph
E
Foggy
Humidity
99%
Feels like
39°F
Dew Point
38°F
9 AM
42°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
42°F
Dew Point
41°F
10 AM
44°F
0%
2mph
ESE
Foggy
Humidity
99%
Feels like
44°F
Dew Point
44°F
11 AM
46°F
0%
2mph
ESE
Mostly Cloudy
Humidity
96%
Feels like
46°F
Dew Point
45°F
12 PM
48°F
0%
3mph
SE
Mostly Cloudy
Humidity
91%
Feels like
48°F
Dew Point
45°F
1 PM
49°F
0%
3mph
SE
Mostly Cloudy
Humidity
87%
Feels like
49°F
Dew Point
45°F
2 PM
50°F
0%
3mph
SE
Mostly Cloudy
Humidity
85%
Feels like
50°F
Dew Point
46°F
3 PM
50°F
0%
3mph
SE
Mostly Cloudy
Humidity
84%
Feels like
50°F
Dew Point
46°F
4 PM
50°F
0%
3mph
SSE
Mostly Cloudy
Humidity
85%
Feels like
50°F
Dew Point
46°F
5 PM
49°F
0%
2mph
SSE
Mostly Cloudy
Humidity
89%
Feels like
49°F
Dew Point
46°F
5:18 PM
6 PM
47°F
0%
2mph
SE
Mostly Cloudy
Humidity
95%
Feels like
47°F
Dew Point
45°F
7 PM
45°F
0%
2mph
SE
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
8 PM
44°F
0%
1mph
SE
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
9 PM
43°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
10 PM
43°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
11 PM
42°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend 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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide