Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
Fair
44°F
7°C
| Humidity | 35% |
| Wind Speed | E 3 mph |
| Barometer | 30.46 in (1033.4 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 24 Mar 11:56 am EDT |
Extended Forecast for
Olney MD
This Afternoon

High: 49 °F
Sunny
Tonight

Low: 36 °F
Increasing
CloudsWednesday

High: 57 °F
Partly Sunny
Wednesday Night

Low: 47 °F
Mostly Cloudy
Thursday

High: 71 °F
Partly Sunny
Thursday Night
Low: 53 °F
Chance Rain
then Rain
LikelyFriday

High: 61 °F
Rain Likely
Friday Night
Low: 29 °F
Chance Rain
then Partly
CloudySaturday

High: 48 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 49. Light and variable wind.
Tonight
Increasing clouds, with a low around 36. Light south wind.
Wednesday
Partly sunny, with a high near 57. South wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 47. Southeast wind around 7 mph.
Thursday
Partly sunny, with a high near 71. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Friday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Olney MD
39.16°N 77.06°W (Elev. 486 ft)
39.16°N 77.06°W (Elev. 486 ft)
10:54 am EDT Mar 24, 2026
12pm EDT Mar 24, 2026-6pm EDT Mar 30, 2026


