


Hazardous Weather Conditions
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Overcast
81°F
27°C
Humidity | 85% |
Wind Speed | Calm |
Barometer | 30.13 in (1021.0 mb) |
Dewpoint | 76°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 87°F (31°C) |
Last update | 15 Jul 12:56 pm EDT |
Extended Forecast for
Dayton MD
This Afternoon
High: 87 °F
Chance
T-stormsTonight
Low: 72 °F
Chance
T-storms then
Partly CloudyWednesday
High: 88 °F
Chance
T-storms then
T-storms
LikelyWednesday Night
Low: 74 °F
T-storms
Likely then
Chance
T-stormsThursday
High: 91 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 74 °F
Chance
T-stormsFriday
High: 87 °F
Mostly Sunny
then Showers
LikelyFriday Night
Low: 71 °F
Showers
Likely then
Chance
ShowersSaturday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 88. South wind 5 to 8 mph. Chance of precipitation is 70%. 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. South 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 91. West wind around 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Dayton MD
39.24°N 76.99°W (Elev. 568 ft)
39.24°N 76.99°W (Elev. 568 ft)
10:30 am EDT Jul 15, 2025
1pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025