National Weather Service Forecast for: Olney MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 10:52 am EDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 64. Light northwest wind.
Sunny
 Tonight

Tonight: Clear, with a low around 43. Calm wind.
Clear
 Wednesday

Wednesday: Sunny, with a high near 70. South wind 3 to 8 mph.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 51. South wind 3 to 5 mph.
Clear
 Thursday

Thursday: Sunny, with a high near 77. West wind 5 to 9 mph, with gusts as high as 18 mph.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 51.
Mostly Clear
 Friday

Friday: Sunny, with a high near 71.
Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 50.
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 64 °F Lo 43 °F Hi 70 °F Lo 51 °F Hi 77 °F Lo 51 °F Hi 71 °F Lo 50 °F Hi 71 °F

 

This Afternoon
 
 Sunny, with a high near 64. Light northwest wind.
Tonight
 
 Clear, with a low around 43. Calm wind.
Wednesday
 
 Sunny, with a high near 70. South wind 3 to 8 mph.
Wednesday Night
 
 Clear, with a low around 51. South wind 3 to 5 mph.
Thursday
 
 Sunny, with a high near 77. West wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday Night
 
 Mostly clear, with a low around 51.
Friday
 
 Sunny, with a high near 71.
Friday Night
 
 Partly cloudy, with a low around 50.
Saturday
 
 Mostly sunny, with a high near 71.
Saturday Night
 
 Partly cloudy, with a low around 53.
Sunday
 
 A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Columbus Day
 
 A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Olney MD.