Johnston, South Carolina | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    60% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    66°
    Saturday 5/18
    Day
    76°
    60% Chance of Storms
    Forecast day icon
    Night
    66°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Showers likely with a slight chance of thunderstorms this morning then a chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
    Night Details
    Mostly cloudy with a chance of showers. A chance of thunderstorms mainly in the evening. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    50% Chance Rain Showers
    72°
    Forecast night icon
    Night
    40% Chance Rain Showers
    60°
    Sunday 5/19
    Day
    72°
    50% Chance Rain Showers
    Forecast day icon
    Night
    60°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the upper 70s. North winds around 5 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Northeast winds around 5 mph. Chance of rain 40 percent.
  • Forecast day icon
    Monday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    60°
    Monday 5/20
    Day
    79°
    Sunny
    Forecast day icon
    Night
    60°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the upper 50s.
  • Forecast day icon
    Tuesday
    Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    61°
    Tuesday 5/21
    Day
    81°
    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
    Mostly Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    65°
    Wednesday 5/22
    Day
    85°
    Mostly Sunny
    Forecast day icon
    Night
    65°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 80s.
    Night Details
    Partly cloudy. Lows in the mid 60s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    69°
    Thursday 5/23
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    69°
    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 Rain Showers
    86°
    Forecast night icon
    Night
    40% Chance of Rain
    66°
    Friday 5/24
    Day
    86°
    30% Chance Rain Showers
    Forecast day icon
    Night
    66°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 66F with an average humidity of 81%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    85°
    Forecast night icon
    Night
    40% Chance of Rain
    67°
    Saturday 5/25
    Day
    85°
    40% Chance of Rain
    Forecast day icon
    Night
    67°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 85F. Dew point will be around 66F with an average humidity of 73%. Winds will be 1 mph from the SW.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 66F with an average humidity of 80%. Winds will be 1 mph from the SE.
  • Forecast day icon
    Sunday
    Sunny
    85°
    Forecast night icon
    Night
    30% Chance of Rain
    68°
    Sunday 5/26
    Day
    85°
    Sunny
    Forecast day icon
    Night
    68°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 73%. Winds will be 1 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 68F. Dew point will be around 67F with an average humidity of 80%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Monday
    30% Chance of Rain
    85°
    Forecast night icon
    Night
    50% Chance of Rain
    68°
    Monday 5/27
    Day
    85°
    30% Chance of Rain
    Forecast day icon
    Night
    68°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 85F. Dew point will be around 67F with an average humidity of 72%. Winds will be 3 mph from the SW.
    Night Details
    Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 79%. Winds will be 2 mph from the S.