National Weather Service Forecast for: South Charleston WV
Issued by: National Weather Service Charleston, WV
Updated: 2:34 am EDT Jun 30, 2026
 
Overnight

Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 73. Calm wind.
Patchy Fog


Tuesday

Tuesday: Isolated showers between 10am and 11am.  Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 95. Heat index values as high as 103. Light and variable wind.  Chance of precipitation is 20%.
Isolated
Showers and
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear


Wednesday

Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind.
Hot


Wednesday
Night
Wednesday Night: Clear, with a low around 73. Calm wind.
Clear


Thursday

Thursday: Sunny and hot, with a high near 100.
Hot


Thursday
Night
Thursday Night: Mostly clear, with a low around 74.
Mostly Clear


Friday

Friday: Sunny and hot, with a high near 99.
Hot


Friday
Night
Friday Night: A chance of showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Chance
T-storms

Lo 73 °F Hi 95 °F Lo 74 °F Hi 97 °F Lo 73 °F Hi 100 °F Lo 74 °F Hi 99 °F Lo 74 °F

Extreme Heat Warning
 

Overnight
 
Patchy fog after 4am. Otherwise, mostly clear, with a low around 73. Calm wind.
Tuesday
 
Isolated showers between 10am and 11am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 103. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
 
Mostly clear, with a low around 74. Calm wind.
Wednesday
 
Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind.
Wednesday Night
 
Clear, with a low around 73. Calm wind.
Thursday
 
Sunny and hot, with a high near 100.
Thursday Night
 
Mostly clear, with a low around 74.
Friday
 
Sunny and hot, with a high near 99.
Friday Night
 
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Independence Day
 
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Saturday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Sunday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

 

Forecast from NOAA-NWS for South Charleston WV.