National Weather Service Forecast for: Bel Air South MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 4:53 am EDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 88. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 70. South wind 8 to 10 mph, with gusts as high as 22 mph.
Partly Cloudy

 Wednesday

Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 6 to 10 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 75. South wind 5 to 8 mph.
Mostly Clear

 Thursday

Thursday: Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 77.
Mostly Clear

 Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 102. 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 76. 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 99. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
Hi 88 °F Lo 70 °F Hi 93 °F Lo 75 °F Hi 100 °F Lo 77 °F Hi 102 °F Lo 76 °F Hi 99 °F

Heat Advisory
Extreme Heat Watch
 

Today
 
 Sunny, with a high near 88. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Tonight
 
 Partly cloudy, with a low around 70. South wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
 
 A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
 
 Mostly clear, with a low around 75. South wind 5 to 8 mph.
Thursday
 
 Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 77.
Friday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 102. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Independence Day
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
 
 A chance of showers and thunderstorms. Mostly 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 72. Chance of precipitation is 40%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Bel Air South MD.