National Weather Service Forecast for: Severn MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 2:22 am EDT Jun 30, 2026
 
Overnight

Overnight: Mostly clear, with a low around 67. South wind 3 to 5 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 90. Light southwest wind becoming south 5 to 10 mph in the morning.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 70. South wind 7 to 9 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 6 to 8 mph. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Chance
T-storms then
Mostly Clear
 Thursday

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

 Thursday
Night
Thursday Night: Mostly clear, with a low around 79.
Mostly Clear

 Friday

Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 104. 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 77. Chance of precipitation is 20%.
Slight Chance
T-storms
Lo 67 °F Hi 90 °F Lo 70 °F Hi 96 °F Lo 75 °F Hi 102 °F Lo 79 °F Hi 104 °F Lo 77 °F

 

Overnight
 
 Mostly clear, with a low around 67. South wind 3 to 5 mph.
Tuesday
 
 Sunny, with a high near 90. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
 
 Mostly clear, with a low around 70. South wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 106. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
 
 A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday
 
 Sunny and hot, with a high near 102.
Thursday Night
 
 Mostly clear, with a low around 79.
Friday
 
 A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 104. Chance of precipitation is 20%.
Friday Night
 
 A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Independence Day
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 95. Chance of precipitation is 50%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Severn MD.