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

Today: Mostly sunny, with a high near 92. South wind 6 to 9 mph.
Mostly Sunny

 Tonight

Tonight: Mostly clear, with a low around 72. South wind 6 to 8 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 110. Calm wind becoming southwest 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 75. 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 slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Slight 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 92 °F Lo 72 °F Hi 99 °F Lo 75 °F Hi 102 °F Lo 76 °F Hi 100 °F Lo 75 °F Hi 98 °F

Heat Advisory
Extreme Heat Watch
 

Today
 
 Mostly sunny, with a high near 92. South wind 6 to 9 mph.
Tonight
 
 Mostly clear, with a low around 72. South wind 6 to 8 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 110. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 Mostly clear, with a low around 75. 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 slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 20%.
Friday Night
 
 A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
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 72. Chance of precipitation is 40%.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 40%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Hagerstown MD.