National Weather Service Forecast for: Potomac MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 4:31 pm EDT Jun 8, 2025
 
This
Afternoon
This Afternoon: Showers likely and possibly a thunderstorm. Some of the storms could be severe. Mostly cloudy, with a high near 71. East wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms

 Tonight

Tonight: Showers likely and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms between 11pm and 2am. Some of the storms could be severe. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 65. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Severe
T-Storms
and Patchy
Fog
 Monday

Monday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 67. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Tuesday

Tuesday: A chance of showers. Partly sunny, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 40%.
Chance
Showers

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 60.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 83.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 63.
Clear

 Thursday

Thursday: Sunny, with a high near 89.
Sunny
Hi 71 °F Lo 65 °F Hi 81 °F Lo 67 °F Hi 81 °F Lo 60 °F Hi 83 °F Lo 63 °F Hi 89 °F

Hazardous Weather Outlook
Tornado Watch
 

This Afternoon
 
 Showers likely and possibly a thunderstorm. Some of the storms could be severe. Mostly cloudy, with a high near 71. East wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers likely and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms between 11pm and 2am. Some of the storms could be severe. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 65. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
 
 Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
 
 Showers likely and possibly a thunderstorm. Increasing clouds, with a low around 67. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A chance of showers. Partly sunny, with a high near 81. West wind 5 to 7 mph. Chance of precipitation is 40%.
Tuesday Night
 
 Mostly clear, with a low around 60.
Wednesday
 
 Sunny, with a high near 83.
Wednesday Night
 
 Clear, with a low around 63.
Thursday
 
 Sunny, with a high near 89.
Thursday Night
 
 Mostly clear, with a low around 68.
Friday
 
 Mostly sunny, with a high near 90.
Friday Night
 
 Partly cloudy, with a low around 70.
Saturday
 
 A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
 
 A chance of showers. Mostly cloudy, with a high near 78.

 

Forecast from NOAA-NWS for Potomac MD.