Johnston, South Carolina | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    40% Chance of Storms
    65°
    Saturday 5/18
    Forecast night icon
    65°
    40% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    73°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/19
    Day
    73°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    61°
    Monday 5/20
    Day
    79°
    Sunny
    Forecast day icon
    Night
    61°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
    Night Details
    Mostly clear. Lows in the upper 50s. East winds around 5 mph.
  • Forecast day icon
    Tuesday
    Sunny
    82°
    Forecast night icon
    Night
    Mostly Clear
    61°
    Tuesday 5/21
    Day
    82°
    Sunny
    Forecast day icon
    Night
    61°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 80s.
    Night Details
    Mostly clear. Lows around 60.
  • Forecast day icon
    Wednesday
    Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    66°
    Wednesday 5/22
    Day
    85°
    Sunny
    Forecast day icon
    Night
    66°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s.
    Night Details
    Partly cloudy. Lows in the mid 60s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    68°
    Thursday 5/23
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    68°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 60s.
  • Forecast day icon
    Friday
    30% Chance of Storms
    84°
    Forecast night icon
    Night
    30% Chance of Storms
    66°
    Friday 5/24
    Day
    84°
    30% Chance of Storms
    Forecast day icon
    Night
    66°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
    Night Details
    A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    30% Chance Rain Showers
    84°
    Forecast night icon
    Night
    30% Chance of Rain
    66°
    Saturday 5/25
    Day
    84°
    30% Chance Rain Showers
    Forecast day icon
    Night
    66°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 30 percent.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 66F. Dew point will be around 65F with an average humidity of 81%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Sunday
    Mostly Sunny
    85°
    Forecast night icon
    Night
    30% Chance of Rain
    68°
    Sunday 5/26
    Day
    85°
    Mostly Sunny
    Forecast day icon
    Night
    68°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 85F. Dew point will be around 66F with an average humidity of 73%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 66F with an average humidity of 78%. Winds will be 2 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    87°
    Forecast night icon
    Night
    40% Chance of Rain
    69°
    Monday 5/27
    Day
    87°
    30% Chance of Rain
    Forecast day icon
    Night
    69°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 30% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 68F with an average humidity of 72%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 68F with an average humidity of 81%. Winds will be 2 mph from the S.