Weather forecast for: Olney MD
Last Update: 10:53 pm EDT Sep 11, 2026
Overnight: Mostly cloudy, with a low around 66. Calm wind.
Saturday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 81. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 30%.
Saturday Night: Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Patchy fog between 11pm and 5am. Low around 68. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday: A chance of showers and thunderstorms before 2pm. Patchy fog between 7am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
Sunday Night: Partly cloudy, with a low around 66. Calm wind becoming west around 5 mph after midnight.
Monday: Mostly sunny, with a high near 78.
Monday Night: Mostly clear, with a low around 54.
Tuesday: Sunny, with a high near 75.
Tuesday Night: Mostly clear, with a low around 58.
Wednesday: Sunny, with a high near 80.
Wednesday Night: Mostly clear, with a low around 62.
Thursday: A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday: A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
WeatherWorld.com
