National Weather Service Forecast for: Charles Town WV
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 9:03 am EDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 91. South wind 6 to 10 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 71. South wind 5 to 9 mph, with gusts as high as 18 mph.
Mostly Clear

 Wednesday

Wednesday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74. Light southwest wind.
Mostly Clear

 Thursday

Thursday: Sunny and hot, with a high near 102. Light west wind.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 76.
Mostly Clear

 Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 101. Chance of precipitation is 30%.
Sunny then
Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Chance
T-storms
 Independence
Day
Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
Hi 91 °F Lo 71 °F Hi 99 °F Lo 74 °F Hi 102 °F Lo 76 °F Hi 101 °F Lo 73 °F Hi 98 °F

Heat Advisory
Extreme Heat Watch
 

Today
 
 Sunny, with a high near 91. South wind 6 to 10 mph.
Tonight
 
 Mostly clear, with a low around 71. South wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
 
 A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 Mostly clear, with a low around 74. Light southwest wind.
Thursday
 
 Sunny and hot, with a high near 102. Light west wind.
Thursday Night
 
 Mostly clear, with a low around 76.
Friday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 101. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Independence Day
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Charles Town WV.