Weather in Potomac, Maryland, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Potomac
Today |
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Temperature: 101°F Wind Speed: 6 mph Wind Direction: NW Forecast: Sunny, with a high near 101. Heat index values as high as 112. Northwest wind around 6 mph. |
Tonight |
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Temperature: 80°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 80. Heat index values as high as 109. West wind 2 to 6 mph. Chance of precipitation is 20%. |
Independence Day |
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Temperature: 101°F Wind Speed: 2 to 7 mph Wind Direction: NW Forecast: A chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 101, with temperatures falling to around 95 in the afternoon. Heat index values as high as 111. Northwest wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday Night |
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Temperature: 74°F Wind Speed: 1 to 7 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then showers and thunderstorms likely between 8pm and 2am. Mostly cloudy, with a low around 74. Heat index values as high as 100. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday |
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Temperature: 93°F Wind Speed: 1 to 6 mph Wind Direction: E Forecast: Showers and thunderstorms after 2pm. Partly sunny, with a high near 93. East wind 1 to 6 mph. Chance of precipitation is 80%. |
Sunday Night |
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Temperature: 72°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 80%. |
Monday |
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Temperature: 88°F Wind Speed: 6 mph Wind Direction: E Forecast: A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. |
Monday Night |
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Temperature: 70°F Wind Speed: 2 to 6 mph Wind Direction: E Forecast: Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%. |
Tuesday |
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Temperature: 85°F Wind Speed: 3 to 7 mph Wind Direction: N Forecast: A slight chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. |
Tuesday Night |
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Temperature: 69°F Wind Speed: 1 to 6 mph Wind Direction: N Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. |
Wednesday |
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Temperature: 87°F Wind Speed: 2 to 6 mph Wind Direction: N Forecast: A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%. |
Wednesday Night |
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Temperature: 70°F Wind Speed: 1 to 5 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 20%. |
Thursday |
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Temperature: 89°F Wind Speed: 1 to 5 mph Wind Direction: SW Forecast: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 71°F Wind Speed: 5 mph Wind Direction: S Forecast: A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. |