Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Johnston, SC

Sunny, with a high near 94. Heat index values as high as 103. Northeast wind around 7 mph.
86°F

Conditions

Wind: 6 mph E
Humidity: 70%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM
86° 88° 91° 92° 92° 94° 92° 92° 91° 87° 83° 81° 80°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny, with a high near 94. Heat index values as high as 103. Northeast wind around 7 mph.
94°F 80°F
Tonight
Mostly Clear
Mostly clear, with a low around 72. Heat index values as high as 101. Southeast wind 2 to 7 mph.
94°F 80°F
Wednesday
Sunny
Sunny, with a high near 95. Heat index values as high as 100. East wind 2 to 6 mph.
94°F 80°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 72. Southeast wind 2 to 6 mph.
94°F 80°F
Thursday
Sunny
Sunny, with a high near 97. Southeast wind 2 to 7 mph.
94°F 80°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 73.
94°F 80°F
Friday
Sunny
Sunny, with a high near 98.
94°F 80°F
Friday Night
Mostly Clear
Mostly clear, with a low around 74.
94°F 80°F
Independence Day
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
94°F 80°F
Saturday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
94°F 80°F
Sunday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Chance of precipitation is 40%.
94°F 80°F
Sunday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
94°F 80°F
Monday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
94°F 80°F
Monday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74.
94°F 80°F
Data provided by weather.gov