Hourly Weather Forecast - Johnston, SC

12 AM
44°F
0%
1mph
SE
Mostly Cloudy
Humidity
97%
Feels like
44°F
Dew Point
43°F
1 AM
44°F
0%
2mph
ESE
Mostly Cloudy
Humidity
98%
Feels like
44°F
Dew Point
43°F
2 AM
44°F
0%
2mph
ESE
Mostly Cloudy
Humidity
98%
Feels like
44°F
Dew Point
44°F
3 AM
44°F
0%
2mph
E
Cloudy
Humidity
98%
Feels like
44°F
Dew Point
44°F
4 AM
45°F
10%
2mph
E
Cloudy
Humidity
98%
Feels like
45°F
Dew Point
44°F
5 AM
45°F
10%
3mph
E
Mostly Cloudy
Humidity
98%
Feels like
45°F
Dew Point
45°F
6 AM
46°F
10%
3mph
E
Foggy
Humidity
99%
Feels like
44°F
Dew Point
45°F
7 AM
47°F
20%
4mph
E
Foggy
Humidity
99%
Feels like
45°F
Dew Point
46°F
7:26 AM
8 AM
48°F
20%
4mph
E
Mostly Cloudy
Humidity
98%
Feels like
47°F
Dew Point
48°F
9 AM
51°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
97%
Feels like
51°F
Dew Point
50°F
10 AM
53°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
97%
Feels like
53°F
Dew Point
52°F
11 AM
55°F
30%
6mph
ESE
30% Chance of Light Rain
Humidity
96%
Feels like
55°F
Dew Point
54°F
12 PM
57°F
20%
6mph
SE
Mostly Cloudy
Humidity
96%
Feels like
57°F
Dew Point
56°F
1 PM
59°F
20%
6mph
SE
Mostly Cloudy
Humidity
96%
Feels like
59°F
Dew Point
58°F
2 PM
60°F
30%
6mph
SSE
30% Chance of Light Rain
Humidity
96%
Feels like
60°F
Dew Point
59°F
3 PM
60°F
40%
6mph
SSE
40% Chance of Light Rain
Humidity
97%
Feels like
60°F
Dew Point
59°F
4 PM
61°F
40%
6mph
SSE
40% Chance of Light Rain
Humidity
97%
Feels like
61°F
Dew Point
60°F
5 PM
60°F
50%
6mph
SSE
50% Chance of Light Rain
Humidity
98%
Feels like
60°F
Dew Point
60°F
5:21 PM
6 PM
60°F
40%
7mph
S
40% Chance of Light Rain
Humidity
99%
Feels like
60°F
Dew Point
60°F
7 PM
60°F
50%
7mph
S
50% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
60°F
8 PM
60°F
50%
8mph
S
50% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
59°F
9 PM
59°F
60%
9mph
S
60% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
10 PM
60°F
80%
11mph
S
80% Chance of Light Rain
Humidity
100%
Feels like
60°F
Dew Point
59°F
11 PM
60°F
80%
12mph
SSW
80% Chance of Rain
Humidity
99%
Feels like
60°F
Dew Point
60°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide