National Weather Service Forecast for: Potomac MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 2:23 pm EDT May 4, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 76. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunny

 Tonight

Tonight: Isolated showers between 8pm and 11pm. Mostly clear, with a low around 59. South wind around 9 mph. Chance of precipitation is 20%.
Isolated
Showers then
Partly Cloudy
 Tuesday

Tuesday: Sunny, with a high near 84. Southwest wind 9 to 18 mph, with gusts as high as 31 mph.
Sunny

 Tuesday
Night
Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
 Wednesday

Wednesday: Showers, with thunderstorms also possible after 5pm. High near 76. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Showers
Likely
 Thursday
Night
Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 67.
Mostly Sunny
Hi 76 °F Lo 59 °F Hi 84 °F Lo 63 °F Hi 76 °F Lo 53 °F Hi 62 °F Lo 44 °F Hi 67 °F

 

This Afternoon
 
 Sunny, with a high near 76. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Tonight
 
 Isolated showers between 8pm and 11pm. Mostly clear, with a low around 59. South wind around 9 mph. Chance of precipitation is 20%.
Tuesday
 
 Sunny, with a high near 84. Southwest wind 9 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
 
 A chance of showers after 2am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday
 
 Showers, with thunderstorms also possible after 5pm. High near 76. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Thursday
 
 Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Thursday Night
 
 A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
 
 Mostly sunny, with a high near 67.
Friday Night
 
 Partly cloudy, with a low around 50.
Saturday
 
 A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Sunday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Potomac MD.