Hazardous Weather Conditions
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
69°F
21°C
| Humidity | 53% |
| Wind Speed | SE 7 mph |
| Barometer | 29.81 in (1010.6 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 11:56 am EDT |
Extended Forecast for
Olney MD
This Afternoon
High: 83 °F
Mostly Sunny
Tonight
Low: 49 °F
Chance
Showers then
ShowersMonday
High: 54 °F
Chance Rain
Monday Night
Low: 32 °F
Mostly Clear
Tuesday
High: 49 °F
Mostly Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 59 °F
Partly Sunny
Wednesday Night
Low: 45 °F
Mostly Cloudy
then Chance
RainThursday
High: 66 °F
Chance Rain
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 83. South wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 49. South wind 7 to 9 mph becoming northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of rain before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 54. Northwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 32. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 49. North wind around 5 mph becoming light and variable.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Thursday
A chance of rain before 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 55. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 48.
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)
10:53 am EDT Mar 22, 2026
12pm EDT Mar 22, 2026-6pm EDT Mar 28, 2026
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