Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday
Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
42°F
6°C
| Humidity | 60% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 30.09 in (1020.6 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 15 Nov 1:56 am EST |
Extended Forecast for
Olney MD
Overnight
Low: 36 °F
Scattered
Sprinkles/FlurriesSunday
High: 52 °F
Chance
SprinklesSunday Night
Low: 32 °F
Partly Cloudy
Monday
High: 55 °F
Sunny
Monday Night
Low: 30 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 30 °F
Clear
Wednesday
High: 63 °F
Sunny
Wednesday Night
Low: 34 °F
Clear
Detailed Forecast
Overnight
Scattered sprinkles and flurries. Partly cloudy, with a low around 36. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
A chance of sprinkles after 3pm. Increasing clouds, with a high near 52. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 32. Northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 55. Northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 30. Light northwest wind.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Clear, with a low around 30.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Clear, with a low around 34.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Olney MD
39.16°N 77.06°W (Elev. 486 ft)
39.16°N 77.06°W (Elev. 486 ft)
1:56 am EST Nov 15, 2026
2am EST Nov 15, 2026-6pm EST Nov 21, 2026
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