Hourly Weather Forecast - Johnston, SC

12 AM
58°F
0%
7mph
SW
Clear
Humidity
55%
Feels like
58°F
Dew Point
42°F
1 AM
57°F
0%
7mph
SW
Mostly Clear
Humidity
57%
Feels like
57°F
Dew Point
42°F
2 AM
57°F
0%
7mph
SW
Mostly Clear
Humidity
59%
Feels like
57°F
Dew Point
43°F
3 AM
56°F
0%
7mph
SW
Mostly Clear
Humidity
61%
Feels like
56°F
Dew Point
43°F
4 AM
55°F
0%
7mph
WSW
Mostly Clear
Humidity
63%
Feels like
55°F
Dew Point
43°F
5 AM
55°F
0%
7mph
WSW
Mostly Clear
Humidity
64%
Feels like
55°F
Dew Point
43°F
6 AM
54°F
0%
7mph
WSW
Mostly Clear
Humidity
67%
Feels like
54°F
Dew Point
44°F
7 AM
54°F
0%
7mph
WSW
Partly Cloudy
Humidity
70%
Feels like
54°F
Dew Point
44°F
7:29 AM
8 AM
55°F
0%
7mph
WSW
Partly Cloudy
Humidity
71%
Feels like
55°F
Dew Point
46°F
9 AM
58°F
0%
8mph
WSW
Partly Cloudy
Humidity
69%
Feels like
58°F
Dew Point
48°F
10 AM
64°F
0%
8mph
W
Partly Cloudy
Humidity
65%
Feels like
64°F
Dew Point
51°F
11 AM
68°F
0%
8mph
W
Mostly Sunny
Humidity
60%
Feels like
68°F
Dew Point
54°F
12 PM
73°F
0%
8mph
W
Mostly Sunny
Humidity
56%
Feels like
73°F
Dew Point
56°F
1 PM
77°F
0%
7mph
W
Mostly Sunny
Humidity
51%
Feels like
77°F
Dew Point
57°F
2 PM
80°F
0%
7mph
W
Mostly Sunny
Humidity
47%
Feels like
80°F
Dew Point
58°F
3 PM
82°F
10%
7mph
W
Mostly Sunny
Humidity
45%
Feels like
82°F
Dew Point
58°F
4 PM
83°F
10%
7mph
WSW
Sunny
Humidity
43%
Feels like
83°F
Dew Point
58°F
5 PM
82°F
10%
7mph
WSW
Sunny
Humidity
43%
Feels like
82°F
Dew Point
58°F
6 PM
80°F
10%
6mph
WSW
Sunny
Humidity
47%
Feels like
81°F
Dew Point
58°F
7 PM
76°F
10%
5mph
WSW
Sunny
Humidity
53%
Feels like
76°F
Dew Point
58°F
7:39 PM
8 PM
73°F
10%
4mph
WSW
Clear
Humidity
58%
Feels like
73°F
Dew Point
58°F
9 PM
71°F
10%
4mph
SW
Clear
Humidity
63%
Feels like
71°F
Dew Point
58°F
10 PM
69°F
10%
5mph
WSW
Clear
Humidity
68%
Feels like
69°F
Dew Point
57°F
11 PM
67°F
10%
6mph
WSW
Clear
Humidity
72%
Feels like
67°F
Dew Point
57°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide