


Hazardous Weather Conditions
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
79°F
26°C
Humidity | 100% |
Wind Speed | SE 6 mph |
Barometer | 30.08 in (1019.6 mb) |
Dewpoint | 79°F (26°C) |
Visibility | 10.00 mi |
Heat Index | 84°F (29°C) |
Last update | 15 Jul 8:56 pm EDT |
Extended Forecast for
North Potomac MD
Tonight
Low: 73 °F
Partly Cloudy
then Patchy
FogWednesday
High: 90 °F
Patchy Fog
then T-stormsWednesday Night
Low: 74 °F
T-storms
Likely then
Chance
ShowersThursday
High: 94 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 75 °F
Chance
T-storms then
Partly CloudyFriday
High: 87 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 71 °F
Chance
T-storms then
Partly CloudySaturday
High: 85 °F
Partly Sunny
then Chance
T-stormsSaturday Night
Low: 72 °F
Chance
T-storms
Detailed Forecast
Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 73. Calm wind.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Patchy fog before 7am. High near 90. Heat index values as high as 100. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 101. West wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. West wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
North Potomac MD
39.11°N 77.25°W (Elev. 351 ft)
39.11°N 77.25°W (Elev. 351 ft)
1:31 pm EDT Jul 15, 2025
9pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025