Hourly Weather Forecast - Johnston, SC

12 AM
41°F
0%
3mph
E
Cloudy
Humidity
57%
Feels like
40°F
Dew Point
27°F
1 AM
41°F
0%
3mph
E
Mostly Cloudy
Humidity
58%
Feels like
41°F
Dew Point
27°F
2 AM
40°F
0%
3mph
ENE
Mostly Cloudy
Humidity
60%
Feels like
40°F
Dew Point
27°F
3 AM
40°F
0%
3mph
ENE
Mostly Cloudy
Humidity
61%
Feels like
40°F
Dew Point
27°F
4 AM
39°F
10%
2mph
ENE
Mostly Cloudy
Humidity
63%
Feels like
39°F
Dew Point
28°F
5 AM
38°F
10%
2mph
NE
Mostly Cloudy
Humidity
65%
Feels like
38°F
Dew Point
28°F
6 AM
38°F
10%
2mph
NE
Mostly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
28°F
7 AM
38°F
10%
2mph
NE
Mostly Cloudy
Humidity
68%
Feels like
38°F
Dew Point
29°F
7:29 AM
8 AM
40°F
10%
3mph
NE
Mostly Cloudy
Humidity
68%
Feels like
40°F
Dew Point
31°F
9 AM
43°F
10%
3mph
NE
Mostly Cloudy
Humidity
67%
Feels like
43°F
Dew Point
33°F
10 AM
46°F
10%
2mph
ENE
Mostly Cloudy
Humidity
65%
Feels like
46°F
Dew Point
35°F
11 AM
49°F
10%
1mph
E
Mostly Cloudy
Humidity
64%
Feels like
49°F
Dew Point
37°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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