Hourly Weather Forecast - Johnston, SC

12 AM
55°F
10%
3mph
E
Partly Cloudy
Humidity
75%
Feels like
55°F
Dew Point
47°F
1 AM
54°F
10%
3mph
ENE
Partly Cloudy
Humidity
77%
Feels like
54°F
Dew Point
47°F
2 AM
53°F
10%
3mph
NE
Mostly Clear
Humidity
80%
Feels like
53°F
Dew Point
47°F
3 AM
53°F
10%
3mph
NE
Mostly Clear
Humidity
81%
Feels like
53°F
Dew Point
47°F
4 AM
52°F
10%
4mph
NE
Clear
Humidity
82%
Feels like
52°F
Dew Point
47°F
5 AM
52°F
10%
4mph
NE
Clear
Humidity
82%
Feels like
52°F
Dew Point
46°F
6 AM
51°F
0%
4mph
NE
Clear
Humidity
83%
Feels like
51°F
Dew Point
46°F
7 AM
50°F
0%
4mph
ENE
Clear
Humidity
84%
Feels like
49°F
Dew Point
45°F
7:23 AM
8 AM
50°F
0%
3mph
ENE
Sunny
Humidity
83%
Feels like
50°F
Dew Point
45°F
9 AM
53°F
10%
4mph
E
Sunny
Humidity
77%
Feels like
53°F
Dew Point
46°F
10 AM
58°F
10%
5mph
ESE
Sunny
Humidity
70%
Feels like
58°F
Dew Point
48°F
11 AM
62°F
10%
6mph
SE
Sunny
Humidity
63%
Feels like
62°F
Dew Point
49°F

Today's High Temperature Outlook

Dangerous 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?

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