Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Mostly Cloudy
75°F
24°C
| Humidity | 46% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 30.21 in (1024.2 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 1 Sep 3:56 pm EDT |
Extended Forecast for
Derwood MD
Tonight
Low: 55 °F
Partly Cloudy
then Patchy
FogTuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 84 °F
Mostly Sunny
then Chance
ShowersThursday Night
Low: 63 °F
Chance
ShowersFriday
High: 83 °F
Mostly Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 55. East wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62. South wind around 6 mph.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Derwood MD
39.12°N 77.13°W (Elev. 348 ft)
39.12°N 77.13°W (Elev. 348 ft)
4:30 pm EDT Sep 1, 2025
4pm EDT Sep 1, 2025-6pm EDT Sep 8, 2025
Additional Resources
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Hourly Weather Forecast
