With a population of around 33,800, Olney sits in Maryland, United States. The city operates in the Eastern Time Zone.
Across a typical year Olney sees about 45 inches of precipitation and 19 inches of snow, with July the wettest month and February the driest. Temperatures range from January lows near 25°F up to July highs around 89°F, averaging 56°F annually — characteristic of a humid continental climate.