Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
A Few Clouds
78°F
26°C
| Humidity | 40% |
| Wind Speed | SW 13 G 22 mph |
| Barometer | 29.80 in (1010.1 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 26 Mar 5:56 pm EDT |
Extended Forecast for
Olney MD
Tonight
Low: 48 °F
Mostly Cloudy
then Chance
RainFriday
High: 59 °F⇓
Rain
Friday Night
Low: 31 °F
Chance Rain
Saturday
High: 46 °F
Sunny
Saturday Night
Low: 30 °F
Mostly Clear
Sunday
High: 56 °F
Mostly Sunny
Sunday Night
Low: 43 °F
Partly Cloudy
Monday
High: 64 °F
Partly Sunny
Monday Night
Low: 51 °F
Chance Rain
Detailed Forecast
Tonight
A slight chance of rain before 3am, then a chance of rain after 4am. Increasing clouds, with a low around 48. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday
Rain. Temperature falling to around 48 by 5pm. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 30. Light northwest wind.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of rain. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 78. Chance of precipitation is 40%.
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)
4:55 pm EDT Mar 26, 2026
6pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026
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